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Microsoft M365 Copilot Remote Code Execution Vulnerability

🗓️ 23 Jul 2026 14:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 5 Views

Microsoft Copilot deserialization flaw enables remote code execution by an authorized attacker.

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23 Jul 2026 14:00Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.19.9
5