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CVE Vulnerability Details :
CVE-2026-26133
PUBLISHED
More InfoOfficial Page
Assigner-microsoft
Assigner Org ID-f38d906d-7342-40ea-92c1-6c4a2c6478c8
View Known Exploited Vulnerability (KEV) details
Published At-13 Mar, 2026 | 21:10
Updated At-14 Apr, 2026 | 16:36
Rejected At-
▼CVE Numbering Authority (CNA)
M365 Copilot Information Disclosure Vulnerability

AI command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network.

Affected Products
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft 365 Copilot for Android
Versions
Affected
  • From 1.0 before 16.0.19815.10000 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft 365 Copilot for iOS
Versions
Affected
  • From 1.0 before 2.107.2 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft Edge for Android
Versions
Affected
  • From 1.0.0 before 145.3800.99 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft Edge for iOS
Versions
Affected
  • From 1.0.0.0 before 145.3800.99 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft Excel for Android
Versions
Affected
  • From 16.0.0.0 before 16.0.19822.20038 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft Excel for iOS
Versions
Affected
  • From 1.0 before 2.106.26020617 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft Loop for iOS
Versions
Affected
  • From 2.0.0 before 2.106.26020617 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft OneNote
Versions
Affected
  • From 1.0.0 before 2.106.26020617 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft OneNote for Android
Versions
Affected
  • From 16.0.1 before 16.0.19725.20142 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft Outlook for Android
Versions
Affected
  • From 1.0 before 5.2605 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft Outlook for iOS
Versions
Affected
  • From 1.0.0 before 5.2605 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft Outlook for Mac
Versions
Affected
  • From 1.0.0 before 5.2605 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft PowerBI for Android
Versions
Affected
  • From 2.0.0 before 2.2.260210.21290750 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft PowerBI for iOS
Versions
Affected
  • From 1.0.0 before 1.2.260302.2193910 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft PowerPoint for Android
Versions
Affected
  • From 16.0.0.0 before 16.0.19822.20038 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft PowerPoint for iOS
Versions
Affected
  • From 1.0 before 2.106.26020617 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft Teams for Android
Versions
Affected
  • From 1.0.0 before 1.0.0.2026043102 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft Teams for iOS
Versions
Affected
  • From 2.0.0 before 8.3.1 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft Word for Android
Versions
Affected
  • From 16.0.0.0 before 16.0.19822.20038 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft Word for iOS
Versions
Affected
  • From 2.0.0 before 2.106.26020617 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-77CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
Type: CWE
CWE ID: CWE-77
Description: CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
Metrics
VersionBase scoreBase severityVector
3.17.1HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C
Version: 3.1
Base score: 7.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26133
vendor-advisory
patch
Hyperlink: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26133
Resource:
vendor-advisory
patch
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found