CVE-2025-59497

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

CVSS 3.1

4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-25)

CWE

CWE-367

Published

2025-10-14

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

Affected

• microsoft:defender_for_endpoint

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59497

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