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CVE PROGRAM SOURCE RECORD9.9 Critical

CVE-2026-50517

Microsoft M365 Copilot Remote Code Execution Vulnerability

Description

Deserialization of untrusted data in M365 Copilot allows an authorized attacker to execute code over a network.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Microsoft Microsoft 365 Copilot

  • -affected

References