What is CVE-2025-59497?

CVE-2025-59497 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft Defender for Linux Denial of Service Vulnerability

Which CVE IDs does CVE-2025-59497 cover?

CVE-2025-59497 covers the following CVE IDs: CVE-2025-59497. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-59497?

CVE-2025-59497 has a CVSS v3 base score of 7.0, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-59497?

CVE-2025-59497 affects 1 product, including: Microsoft Defender for Endpoint for Linux.

CVE-2025-59497HighCVSS 7.0

Microsoft Defender for Linux Denial of Service Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

October 14, 2025

Last Modified

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🔗 CVE IDs covered (1)

CVE-2025-59497 →

📋 Description

Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an authorized attacker to deny service locally.

🎯 Affected products1

Microsoft Defender for Endpoint for Linux

✅ Remediation

KBRelease Notes (Security Update) — fixed build 101.25032.0010

🔗 References (3)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59497
patchhttps://learn.microsoft.com/en-us/defender-endpoint/linux-updates
referencehttps://learn.microsoft.com/en-us/defender-endpoint/linux-whatsnew#april-2025-build-101250220002--release-version-3012502200010