CRITICAL 9.3 Microsoft
CVE-2025-59252
M365 Copilot Information Disclosure Vulnerability
Microsoft Security Update 2025-Oct: M365 Copilot Information Disclosure Vulnerability
Affected Products
- Microsoft 365 Word Copilot
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59252
- https://nvd.nist.gov/vuln/detail/CVE-2025-59252
This critical severity vulnerability with a CVSS score of 9.3 was published on 2025-10-14 via Microsoft. Affected: Microsoft 365 Word Copilot.
Risk Timeline
CVE Disclosed2025-10-14 · 299 days ago
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59252NVD / MITRE
nvd.nist.gov/vuln/detail/CVE-2025-59252Related Vulnerabilities
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