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Vulnerability Details :

CVE-2026-43666

Summary
Assigner-apple
Assigner Org ID-286789f9-fbc2-4510-9f9a-43facdede74c
Published At-11 May, 2026 | 20:07
Updated At-12 May, 2026 | 17:17
Rejected At-
Credits

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An attacker on the local network may be able to cause a denial-of-service.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:apple
Assigner Org ID:286789f9-fbc2-4510-9f9a-43facdede74c
Published At:11 May, 2026 | 20:07
Updated At:12 May, 2026 | 17:17
Rejected At:
â–¼CVE Numbering Authority (CNA)

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An attacker on the local network may be able to cause a denial-of-service.

Affected Products
Vendor
Apple Inc.Apple
Product
iOS and iPadOS
Versions
Affected
  • From 0 before 18.7.9 (custom)
  • From 0 before 26.5 (custom)
Vendor
Apple Inc.Apple
Product
macOS
Versions
Affected
  • From 0 before 14.8.7 (custom)
  • From 0 before 15.7.7 (custom)
  • From 0 before 26.5 (custom)
Vendor
Apple Inc.Apple
Product
tvOS
Versions
Affected
  • From 0 before 26.5 (custom)
Vendor
Apple Inc.Apple
Product
visionOS
Versions
Affected
  • From 0 before 26.5 (custom)
Vendor
Apple Inc.Apple
Product
watchOS
Versions
Affected
  • From 0 before 26.5 (custom)
Problem Types
TypeCWE IDDescription
N/AN/AAn attacker on the local network may be able to cause a denial-of-service
Type: N/A
CWE ID: N/A
Description: An attacker on the local network may be able to cause a denial-of-service
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://support.apple.com/en-us/127110
N/A
https://support.apple.com/en-us/127111
N/A
https://support.apple.com/en-us/127115
N/A
https://support.apple.com/en-us/127116
N/A
https://support.apple.com/en-us/127117
N/A
https://support.apple.com/en-us/127118
N/A
https://support.apple.com/en-us/127119
N/A
https://support.apple.com/en-us/127120
N/A
Hyperlink: https://support.apple.com/en-us/127110
Resource: N/A
Hyperlink: https://support.apple.com/en-us/127111
Resource: N/A
Hyperlink: https://support.apple.com/en-us/127115
Resource: N/A
Hyperlink: https://support.apple.com/en-us/127116
Resource: N/A
Hyperlink: https://support.apple.com/en-us/127117
Resource: N/A
Hyperlink: https://support.apple.com/en-us/127118
Resource: N/A
Hyperlink: https://support.apple.com/en-us/127119
Resource: N/A
Hyperlink: https://support.apple.com/en-us/127120
Resource: N/A
â–¼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-787CWE-787 Out-of-bounds Write
Type: CWE
CWE ID: CWE-787
Description: CWE-787 Out-of-bounds Write
Metrics
VersionBase scoreBase severityVector
3.16.2MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 6.2
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:product-security@apple.com
Published At:11 May, 2026 | 21:19
Updated At:12 May, 2026 | 18:17

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An attacker on the local network may be able to cause a denial-of-service.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.16.2MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 3.1
Base score: 6.2
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-787Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-787
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://support.apple.com/en-us/127110product-security@apple.com
N/A
https://support.apple.com/en-us/127111product-security@apple.com
N/A
https://support.apple.com/en-us/127115product-security@apple.com
N/A
https://support.apple.com/en-us/127116product-security@apple.com
N/A
https://support.apple.com/en-us/127117product-security@apple.com
N/A
https://support.apple.com/en-us/127118product-security@apple.com
N/A
https://support.apple.com/en-us/127119product-security@apple.com
N/A
https://support.apple.com/en-us/127120product-security@apple.com
N/A
Hyperlink: https://support.apple.com/en-us/127110
Source: product-security@apple.com
Resource: N/A
Hyperlink: https://support.apple.com/en-us/127111
Source: product-security@apple.com
Resource: N/A
Hyperlink: https://support.apple.com/en-us/127115
Source: product-security@apple.com
Resource: N/A
Hyperlink: https://support.apple.com/en-us/127116
Source: product-security@apple.com
Resource: N/A
Hyperlink: https://support.apple.com/en-us/127117
Source: product-security@apple.com
Resource: N/A
Hyperlink: https://support.apple.com/en-us/127118
Source: product-security@apple.com
Resource: N/A
Hyperlink: https://support.apple.com/en-us/127119
Source: product-security@apple.com
Resource: N/A
Hyperlink: https://support.apple.com/en-us/127120
Source: product-security@apple.com
Resource: N/A

Change History

0
Information is not available yet

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Matching Score-6
Assigner-Apple Inc.
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Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-29614
Matching Score-6
Assigner-Apple Inc.
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Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.35% / 57.63%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 17:41
Updated-04 Aug, 2024 | 16:55
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
Vendor-Apple Inc.
Product-iphone_osipadostvosmac_os_xmacostvOSmacOSiOS and iPadOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-29624
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.40% / 60.39%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 17:45
Updated-04 Aug, 2024 | 16:55
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. Processing a maliciously crafted font file may lead to arbitrary code execution.

Action-Not Available
Vendor-Apple Inc.
Product-iphone_oswatchosipadostvosmac_os_xmacostvOSmacOSwatchOSiOS and iPadOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-29612
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.26% / 49.78%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 17:39
Updated-04 Aug, 2024 | 16:55
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. A malicious application may be able to execute arbitrary code with system privileges.

Action-Not Available
Vendor-Apple Inc.
Product-macosmac_os_xmacOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27930
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-43.95% / 97.56%
||
7 Day CHG~0.00%
Published-08 Dec, 2020 | 20:17
Updated-27 Oct, 2025 | 17:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Known KEV||Action Due Date - 2022-05-03||Apply updates per vendor instructions.

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. Processing a maliciously crafted font may lead to arbitrary code execution.

Action-Not Available
Vendor-Apple Inc.
Product-mac_os_xmacoswatchosipadosiphone_oswatchOSiOS and iPadOSmacOSMultiple Products
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27907
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.24% / 46.26%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 17:28
Updated-04 Aug, 2024 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. An application may be able to execute arbitrary code with kernel privileges.

Action-Not Available
Vendor-Apple Inc.
Product-macosmacOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27927
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.59% / 69.36%
||
7 Day CHG~0.00%
Published-08 Dec, 2020 | 20:11
Updated-04 Aug, 2024 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. Processing a maliciously crafted font file may lead to arbitrary code execution.

Action-Not Available
Vendor-Apple Inc.
Product-iphone_oswatchostvosipadosmacoswatchOStvOSmacOSiOS and iPadOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27912
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.99% / 76.98%
||
7 Day CHG~0.00%
Published-08 Dec, 2020 | 20:10
Updated-04 Aug, 2024 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12.11 for Windows. Processing a maliciously crafted image may lead to arbitrary code execution.

Action-Not Available
Vendor-Apple Inc.
Product-itunesiphone_oswatchosipadostvosmacosicloudwatchOStvOSmacOSiOS and iPadOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27897
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.10% / 28.08%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 17:26
Updated-04 Aug, 2024 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. An application may be able to execute arbitrary code with kernel privileges.

Action-Not Available
Vendor-Apple Inc.
Product-macosmac_os_xmacOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27933
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.48% / 65.27%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 17:34
Updated-04 Aug, 2024 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, iCloud for Windows 7.20, watchOS 6.2.8, tvOS 13.4.8, macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra. Processing a maliciously crafted image may lead to arbitrary code execution.

Action-Not Available
Vendor-Apple Inc.
Product-iphone_oswatchosipadostvosmac_os_xicloudmacOSiOS and iPadOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27915
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.24% / 46.26%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 17:30
Updated-04 Aug, 2024 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. A malicious application may be able to execute arbitrary code with system privileges.

Action-Not Available
Vendor-Apple Inc.
Product-mac_os_xmacOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27916
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.62% / 70.23%
||
7 Day CHG~0.00%
Published-08 Dec, 2020 | 20:12
Updated-04 Aug, 2024 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. Processing a maliciously crafted audio file may lead to arbitrary code execution.

Action-Not Available
Vendor-Apple Inc.
Product-iphone_oswatchostvosipadosmacoswatchOStvOSmacOSiOS and iPadOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27919
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.62% / 70.03%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 17:29
Updated-04 Aug, 2024 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. Processing a maliciously crafted image may lead to arbitrary code execution.

Action-Not Available
Vendor-Apple Inc.
Product-mac_os_xmacOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27931
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.83%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 17:32
Updated-04 Aug, 2024 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in iOS 14.0 and iPadOS 14.0, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, watchOS 7.0, tvOS 14.0. Processing a maliciously crafted font file may lead to arbitrary code execution.

Action-Not Available
Vendor-Apple Inc.
Product-iphone_osipadoswatchostvosmac_os_xtvOSmacOSwatchOSiOS and iPadOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27943
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.83%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 17:36
Updated-04 Aug, 2024 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in tvOS 14.3, iOS 14.3 and iPadOS 14.3, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.2. Processing a maliciously crafted font file may lead to arbitrary code execution.

Action-Not Available
Vendor-Apple Inc.
Product-iphone_osipad_oswatchostvosmacostvOSmacOSwatchOSiOS and iPadOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27952
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.49% / 65.69%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 17:39
Updated-04 Aug, 2024 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. Processing a maliciously crafted font file may lead to arbitrary code execution.

Action-Not Available
Vendor-Apple Inc.
Product-macosmac_os_xmacOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27923
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.48% / 65.26%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 17:33
Updated-04 Aug, 2024 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, watchOS 7.1, tvOS 14.2. Processing a maliciously crafted image may lead to arbitrary code execution.

Action-Not Available
Vendor-Apple Inc.
Product-iphone_osipadoswatchostvosmac_os_xwatchOStvOSmacOSiOS and iPadOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27914
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.24% / 46.26%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 17:30
Updated-04 Aug, 2024 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. A malicious application may be able to execute arbitrary code with system privileges.

Action-Not Available
Vendor-Apple Inc.
Product-mac_os_xmacOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27947
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.24% / 47.65%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 17:37
Updated-04 Aug, 2024 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. An application may be able to execute arbitrary code with kernel privileges.

Action-Not Available
Vendor-Apple Inc.
Product-macosmac_os_xmacOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27948
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.46% / 64.26%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 17:39
Updated-04 Aug, 2024 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. Processing a maliciously crafted audio file may lead to arbitrary code execution.

Action-Not Available
Vendor-Apple Inc.
Product-iphone_oswatchosipadostvosmac_os_xmacostvOSmacOSwatchOSiOS and iPadOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27944
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.46% / 64.26%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 17:37
Updated-04 Aug, 2024 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. Processing a maliciously crafted font file may lead to arbitrary code execution.

Action-Not Available
Vendor-Apple Inc.
Product-iphone_osipad_oswatchostvosmacostvOSmacOSwatchOSiOS and iPadOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27905
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.53% / 67.45%
||
7 Day CHG~0.00%
Published-08 Dec, 2020 | 20:09
Updated-04 Aug, 2024 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. A malicious application may be able to execute arbitrary code with system privileges.

Action-Not Available
Vendor-Apple Inc.
Product-iphone_ostvoswatchosipadoswatchOStvOSiOS and iPadOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-27906
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-8.8||HIGH
EPSS-2.32% / 84.90%
||
7 Day CHG~0.00%
Published-08 Dec, 2020 | 20:08
Updated-04 Aug, 2024 | 16:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Multiple integer overflows were addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1. A remote attacker may be able to cause unexpected application termination or heap corruption.

Action-Not Available
Vendor-Apple Inc.
Product-macosmacOS
CWE ID-CWE-787
Out-of-bounds Write
CWE ID-CWE-190
Integer Overflow or Wraparound
CVE-2022-42845
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.2||HIGH
EPSS-1.45% / 80.95%
||
7 Day CHG~0.00%
Published-15 Dec, 2022 | 00:00
Updated-21 Apr, 2025 | 15:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The issue was addressed with improved memory handling. This issue is fixed in tvOS 16.2, macOS Monterey 12.6.2, macOS Ventura 13.1, macOS Big Sur 11.7.2, iOS 16.2 and iPadOS 16.2, watchOS 9.2. An app with root privileges may be able to execute arbitrary code with kernel privileges.

Action-Not Available
Vendor-Apple Inc.
Product-ipadostvoswatchosmacosiphone_osmacOSwatchOStvOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2022-42840
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.31% / 53.89%
||
7 Day CHG~0.00%
Published-15 Dec, 2022 | 00:00
Updated-21 Apr, 2025 | 17:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.6.2, macOS Ventura 13.1, macOS Big Sur 11.7.2, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.2 and iPadOS 16.2. An app may be able to execute arbitrary code with kernel privileges.

Action-Not Available
Vendor-Apple Inc.
Product-ipadosmacosiphone_osmacOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-20664
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-4.3||MEDIUM
EPSS-0.04% / 12.58%
||
7 Day CHG~0.00%
Published-25 Mar, 2026 | 00:32
Updated-02 Apr, 2026 | 18:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. Processing maliciously crafted web content may lead to an unexpected process crash.

Action-Not Available
Vendor-Apple Inc.
Product-visionossafarimacosiphone_osipadosSafariiOS and iPadOSmacOSvisionOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-20657
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-6.5||MEDIUM
EPSS-0.09% / 24.62%
||
7 Day CHG+0.03%
Published-25 Mar, 2026 | 00:31
Updated-11 May, 2026 | 21:18
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, visionOS 26.4. Parsing a maliciously crafted file may lead to an unexpected app termination.

Action-Not Available
Vendor-Apple Inc.
Product-iphone_osipadosmacosmacOSvisionOSiOS and iPadOS
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-125
Out-of-bounds Read
CWE ID-CWE-787
Out-of-bounds Write
CVE-2022-42820
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.05% / 16.98%
||
7 Day CHG~0.00%
Published-01 Nov, 2022 | 00:00
Updated-21 Apr, 2025 | 20:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 16.1 and iPadOS 16, macOS Ventura 13. An app may cause unexpected app termination or arbitrary code execution.

Action-Not Available
Vendor-Apple Inc.
Product-ipadosmacosiphone_osmacOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-13495
Matching Score-6
Assigner-Talos
ShareView Details
Matching Score-6
Assigner-Talos
CVSS Score-4.3||MEDIUM
EPSS-0.21% / 43.39%
||
7 Day CHG~0.00%
Published-18 Apr, 2022 | 16:15
Updated-15 Apr, 2025 | 19:05
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An exploitable vulnerability exists in the way Pixar OpenUSD 20.05 handles file offsets in binary USD files. A specially crafted malformed file can trigger an arbitrary out-of-bounds memory access that could lead to the disclosure of sensitive information. This vulnerability could be used to bypass mitigations and aid additional exploitation. To trigger this vulnerability, the victim needs to access an attacker-provided file.

Action-Not Available
Vendor-pixarPixarApple Inc.
Product-mac_os_xopenusdmacOSOpenUSD
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-787
Out-of-bounds Write
CVE-2022-42830
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-6.7||MEDIUM
EPSS-0.05% / 15.25%
||
7 Day CHG~0.00%
Published-01 Nov, 2022 | 00:00
Updated-21 Apr, 2025 | 18:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The issue was addressed with improved memory handling. This issue is fixed in iOS 16.1 and iPadOS 16, macOS Ventura 13. An app with root privileges may be able to execute arbitrary code with kernel privileges.

Action-Not Available
Vendor-Apple Inc.
Product-ipadosmacosiphone_osmacOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2022-42850
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.12% / 30.98%
||
7 Day CHG~0.00%
Published-15 Dec, 2022 | 00:00
Updated-21 Apr, 2025 | 15:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The issue was addressed with improved memory handling. This issue is fixed in iOS 16.2 and iPadOS 16.2. An app may be able to execute arbitrary code with kernel privileges.

Action-Not Available
Vendor-Apple Inc.
Product-ipadosiphone_osiOS and iPadOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2022-22631
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.14% / 33.04%
||
7 Day CHG~0.00%
Published-18 Mar, 2022 | 17:59
Updated-03 Aug, 2024 | 03:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6.5, macOS Monterey 12.3, Security Update 2022-003 Catalina. An application may be able to gain elevated privileges.

Action-Not Available
Vendor-Apple Inc.
Product-macosmac_os_xmacOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-10015
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.24% / 46.26%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 17:26
Updated-04 Aug, 2024 | 10:50
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. An application may be able to execute arbitrary code with kernel privileges.

Action-Not Available
Vendor-Apple Inc.
Product-macosmac_os_xmacOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2019-8815
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-8.8||HIGH
EPSS-1.03% / 77.48%
||
7 Day CHG~0.00%
Published-18 Dec, 2019 | 17:33
Updated-04 Aug, 2024 | 21:31
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 13.2 and iPadOS 13.2, tvOS 13.2, Safari 13.0.3, iTunes for Windows 12.10.2, iCloud for Windows 11.0, iCloud for Windows 7.15. Processing maliciously crafted web content may lead to arbitrary code execution.

Action-Not Available
Vendor-Red Hat, Inc.Apple Inc.
Product-enterprise_linux_serveritunesiphone_osipadostvossafarienterprise_linux_workstationenterprise_linux_desktopicloudiTunes for WindowsiCloud for WindowsSafariiOSiCloud for Windows (Legacy)tvOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2022-42858
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-7.8||HIGH
EPSS-0.17% / 37.09%
||
7 Day CHG~0.00%
Published-10 Apr, 2023 | 00:00
Updated-11 Feb, 2025 | 18:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Ventura 13.1. An app may be able to execute arbitrary code with kernel privileges

Action-Not Available
Vendor-Apple Inc.
Product-macosmacOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2019-8835
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-8.8||HIGH
EPSS-0.57% / 68.71%
||
7 Day CHG~0.00%
Published-27 Oct, 2020 | 19:53
Updated-04 Aug, 2024 | 21:31
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 13.3, iCloud for Windows 10.9, iOS 13.3 and iPadOS 13.3, Safari 13.0.4, iTunes 12.10.3 for Windows, iCloud for Windows 7.16. Processing maliciously crafted web content may lead to arbitrary code execution.

Action-Not Available
Vendor-Red Hat, Inc.Apple Inc.
Product-enterprise_linux_serveritunesiphone_osipadostvossafarienterprise_linux_workstationenterprise_linux_desktopicloudiTunes for WindowsiCloud for WindowsSafaritvOSiOS and iPadOS
CWE ID-CWE-787
Out-of-bounds Write
CVE-2019-8814
Matching Score-6
Assigner-Apple Inc.
ShareView Details
Matching Score-6
Assigner-Apple Inc.
CVSS Score-8.8||HIGH
EPSS-0.74% / 72.99%
||
7 Day CHG~0.00%
Published-18 Dec, 2019 | 17:33
Updated-04 Aug, 2024 | 21:31
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 13.2 and iPadOS 13.2, tvOS 13.2, Safari 13.0.3, iTunes for Windows 12.10.2, iCloud for Windows 11.0, iCloud for Windows 7.15. Processing maliciously crafted web content may lead to arbitrary code execution.

Action-Not Available
Vendor-Red Hat, Inc.Apple Inc.
Product-enterprise_linux_serveritunesiphone_osipadostvossafarienterprise_linux_workstationenterprise_linux_desktopicloudiTunes for WindowsiCloud for WindowsSafariiOSiCloud for Windows (Legacy)tvOS
CWE ID-CWE-787
Out-of-bounds Write
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