CVE-2025-59497
Microsoft Defender for Linux Denial of Service Vulnerability
- State
- Published
- Severity
- 7.0 High
- Published
- Oct 14, 2025
- Updated
- Feb 22, 2026
- Reserved
- Sep 17, 2025
Description
Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an authorized attacker to deny service locally.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.0 High | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C | microsoft |
Weaknesses
- CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
Affected Products
| Product | Versions |
|---|---|
Microsoft Defender for Endpoint for LinuxMicrosoft |
|
References
- Microsoft Defender for Linux Denial of Service Vulnerabilityvendor-advisorypatch
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