CVE Vulnerabilities

CVE-2025-59497

Time-of-check Time-of-use (TOCTOU) Race Condition

Published: Oct 14, 2025 | Modified: Oct 22, 2025
CVSS 3.x
4.7
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

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

Weakness

The product checks the state of a resource before using that resource, but the resource’s state can change between the check and the use in a way that invalidates the results of the check.

Affected Software

Name Vendor Start Version End Version
Defender_for_endpoint Microsoft * 101.25032.0010 (excluding)

Potential Mitigations

References