CVE-2025-59497

Microsoft Defender for Linux Denial of Service Vulnerability

Published Oct 14, 2025 CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Description
Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an authorized attacker to deny service locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:defender_for_endpoint:*:*:*:*:*:*:*:*
Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:defender_for_endpoint:*:*:*:*:*:linux:*:*
Type Values Removed Values Added
First Time appeared Linux
Linux linux
Microsoft
Microsoft defender For Endpoint
Vendors & Products Linux
Linux linux
Microsoft
Microsoft defender For Endpoint
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an authorized attacker to deny service locally.
Title Microsoft Defender for Linux Denial of Service Vulnerability
Weaknesses CWE-367
References
Metrics cvssV3_1

{'score': 7, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Feb 22, 2026, 5:26 PM
Reserved
Sep 17, 2025, 3:06 AM
Status
Analyzed
Published
Oct 14, 2025, 5:16 PM
Modified
Oct 8, 2026, 12:10 PM