CVE-2026-85885: microsoft 365_copilot

CVSS 9.9 (critical) · published 2026-09-17

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 (NVD): microsoft 365_copilot

Weakness: CWE-77

Source: NVD CVE-2026-85885

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85885

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