What is CVE-2025-59252?

CVE-2025-59252 is a security advisory published by Microsoft Security Response Center (MSRC) with Critical severity. M365 Copilot Information Disclosure Vulnerability

Which CVE IDs does CVE-2025-59252 cover?

CVE-2025-59252 covers the following CVE IDs: CVE-2025-59252. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-59252?

CVE-2025-59252 has a CVSS v3 base score of 9.3, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-59252?

CVE-2025-59252 affects 1 product, including: Microsoft 365 Word Copilot.

CVE-2025-59252CriticalCVSS 9.3

M365 Copilot Information Disclosure Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

October 9, 2025

Last Modified

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🔗 CVE IDs covered (1)

CVE-2025-59252 →

📋 Description

Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to disclose information over a network.

🎯 Affected products1

Microsoft 365 Word Copilot

🔗 References (1)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59252