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cve-2026-505171 article

CVE-2026-50517: M365 Copilot RCE via Deserialization — Defense and Hardening Guide

Introduction Today, the NVD published CVE-2026-50517, assigning it a CVSS score of 9.9 (CRITICAL). This vulnerability affects Microsoft 365 ...

cve-2026-50517criticalcve

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