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Medium severity6.1NVD Advisory· Published Sep 17, 2026· Updated Oct 14, 2026

CVE-2026-55946

CVE-2026-55946

Description

Ai command injection in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.

Affected products

2

Microsoft/Copilot2 versions
cpe:2.3:a:microsoft:copilot:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:microsoft:copilot:-:*:*:*:*:*:*:*
- (no CPE)

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55946nvdVendor Advisory

News mentions

1

Microsoft: 24 Azure & AI Vulnerabilities Disclosed, Including Critical Privilege Escalation Flaws
Vypr Intelligence · Sep 18, 2026