Vulnerability · Published Oct 14, 2025 · Assigned by microsoft
CVE-2025-59497Microsoft Defender for Linux Denial of Service Vulnerability
High 7.0
In plain English
A high-severity security flaw in Microsoft Defender for Endpoint for Linux from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities).
Severity (CVSS 3.1)7.0High
Exploit odds (30 days)0.2%top 88.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an authorized attacker to deny service locally.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Defender for Endpoint for Linux | 101.0.0 – before 101.25032.0010 |
Weakness: CWE-367 · 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
References
- Microsoft Defender for Linux Denial of Service Vulnerability vendor-advisory, patch