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Secure route: /intel/ai-cve-2026-50517-microsoft-m365-copilot-remote-code-execution-vulnerability-120c8aad
highCVE-2026-505172026-07-23Vector: appsec

CVE-2026-50517 Microsoft M365 Copilot Remote Code Execution Vulnerability

A security vulnerability in Microsoft M365 Copilot could allow an attacker with authorized access to execute harmful code remotely over the network by exploiting how the application handles data.

Decision Context

English Brief

A security vulnerability in Microsoft M365 Copilot could allow an attacker with authorized access to execute harmful code remotely over the network by exploiting how the application handles data.

الموجز العربي

ثغرة تنفيذ تعليمات برمجية عن بعد في Microsoft M365 Copilot الموثقة تحت CVE-2026-50517

تم اكتشاف ثغرة أمنية في Microsoft M365 Copilot قد تسمح لمهاجم لديه وصول مصرح به بتنفيذ تعليمات برمجية ضارة عن بُعد عبر الشبكة، وذلك من خلال استغلال طريقة معالجة التطبيق للبيانات.

Affected Products
    Priority sectors
    Information TechnologyEnterprise ServicesCloud Services
    Immediate Actions
    1. 1Check for available security updates in the Microsoft 365 Admin Center.
    2. 2Apply all pending patches for M365 Copilot services.
    3. 3Review user permissions and revoke unnecessary access to minimize the blast radius of a potential compromise.