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TI-2026-35919 Aliases CVE-2026-48561GHSA-m97f-w34x-vq3w

Microsoft Edge Copilot Remote Code Execution Vulnerability

Priority MEDIUM 44CWE-77Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-77.

Summary

Improper neutralization of special elements used in a command ('command injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to execute code over a network.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00863 58th percentileScored 2026-11-07
Fix Fixed Microsoft Edge Copilot for Android (Microsoft): publicationMicrosoft Edge Copilot for IOS (Microsoft): publication

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft Edge Copilot for Android1.0.0 to before publicationpublicationPatch availableCNA
MicrosoftMicrosoft Edge Copilot for IOS1.0.0 to before publicationpublicationPatch availableCNA
  • Microsoft Edge Copilot for Android VendorMicrosoft Affected 1.0.0 to before publication Fixed in publication Patch available CNA
  • Microsoft Edge Copilot for IOS VendorMicrosoft Affected 1.0.0 to before publication Fixed in publication Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:365_copilot:-:*:*:*:*:android:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:a:microsoft:365_copilot:-:*:*:*:*:iphone_os:*:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:a:microsoft:365_copilot:-:*:*:*:*:android:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:365_copilot:-:*:*:*:*:iphone_os:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

  • Fix · CNA Microsoft Edge Copilot for Android (Microsoft) Fixed in publication
  • Fix · CNA Microsoft Edge Copilot for IOS (Microsoft) Fixed in publication

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-48561
  2. 2026-10-03 Alias added: GHSA-m97f-w34x-vq3w

References

Patch 1

  • TI-2025-37796 GDI+ Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2025-23775 M365 Copilot Information Disclosure Vulnerability CVSS 3.1CRITICAL 9.3
  • TI-2025-33667 GDI+ Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2021-19684 Microsoft Office app Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.6
  • TI-2026-37251 Microsoft M365 Copilot Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.9
  • TI-2026-39054 M365 Copilot Information Disclosure Vulnerability CVSS 3.1CRITICAL 9.8
See all 54 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences