Critical severity9.9NVD Advisory· Published Sep 17, 2026· Updated Sep 25, 2026
CVE-2026-85885
CVE-2026-85885
Description
Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an authorized attacker to elevate privileges over a network.
Affected products
2- cpe:2.3:a:microsoft:365_copilot:-:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85885nvdVendor Advisory
News mentions
3- Microsoft: 24 Azure & AI Vulnerabilities Disclosed, Including Critical Privilege Escalation FlawsVypr Intelligence · Sep 18, 2026
- Critical Microsoft Azure AI Foundry Vulnerability Allows Attackers to Escalate PrivilegesCyber Security News · Sep 18, 2026
- Microsoft Patches CVSS 10.0 Azure AI Foundry Flaw Enabling Unauthorized Privilege EscalationThe Hacker News · Sep 18, 2026