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Critical · 9.9 CVE-2026-85885 EUVD-2026-82588GHSA-jjmx-rwxc-vwh4

Microsoft 365 Copilot Elevation of Privilege Vulnerability

Published Sep 17, 2026 · Updated Nov 10, 2026 · Assigned by microsoft

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

VendorProductAffectedFixed
Microsoft Microsoft 365 Copilot - —

Advisories 2

References