Microsoft 365 Copilot Vulnerabilities

Microsoft Microsoft 365 Copilot vulnerabilities.

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22 January 2026

Information Disclosure Vulnerability in Microsoft Word Copilot
CVE-2026-21521
MicrosoftMicrosoft 365 Word Cop...7.4HIGH
Information Disclosure Vulnerability in M365 Copilot by Microsoft
CVE-2026-24307
MicrosoftMicrosoft 365 Copilot9.3CRITICAL

9 October 2025

Spoofing Vulnerability in Microsoft Copilot Application
CVE-2025-59286
MicrosoftMicrosoft 365 Copilot'...9.3CRITICAL
Copilot Spoofing Vulnerability in Microsoft Products
CVE-2025-59272
MicrosoftMicrosoft 365 Copilot'...9.3CRITICAL
Spoofing Vulnerability in M365 Copilot by Microsoft
CVE-2025-59252
MicrosoftMicrosoft 365 Word Cop...9.3CRITICAL

7 August 2025

11 June 2025

Information Disclosure Vulnerability in Microsoft 365 Copilot
CVE-2025-32711
MicrosoftMicrosoft 365 Copilot📈7.5HIGH