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NVD Vulnerability Details :
CVE-2025-43521
Modified
More InfoOfficial Page
Source-product-security@apple.com
View Known Exploited Vulnerability (KEV) details
Published At-12 Dec, 2025 | 21:15
Updated At-17 Dec, 2025 | 21:16

A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Tahoe 26.2, macOS Sequoia 15.7.3. An app may be able to access sensitive user data.

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
Secondary3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Type: Secondary
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CPE Matches
Apple Inc.
apple
>>macos>>Versions before 15.7.3(exclusive)
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-347Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-347
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://support.apple.com/en-us/125886product-security@apple.com
N/A
https://support.apple.com/en-us/125887product-security@apple.com
Release Notes
Vendor Advisory
Hyperlink: https://support.apple.com/en-us/125886
Source: product-security@apple.com
Resource: N/A
Hyperlink: https://support.apple.com/en-us/125887
Source: product-security@apple.com
Resource:
Release Notes
Vendor Advisory
Change History
0Changes found
Details not found