{"id":"CVE-2025-59497","aliases":["EUVD-2025-34266","GHSA-rc6m-rg5w-wv73"],"status":"published","title":"Microsoft Defender for Linux Denial of Service Vulnerability","description":"Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an authorized attacker to deny service locally.","severity":{"version":"3.1","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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00211,"percentile":0.11452,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367"],"published":"2025-10-14T17:01:48Z","modified":"2026-10-08T12:10:00Z","products":[{"vendor":"microsoft","product":"defender_for_endpoint"},{"vendor":"microsoft","product":"microsoft defender for endpoint for linux"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59497","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-59497"},{"url":"https://github.com/advisories/GHSA-rc6m-rg5w-wv73"}],"sources":{"cve":[{"id":"CVE-2025-59497","title":"Microsoft Defender for Linux Denial of Service Vulnerability","description":"Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an authorized attacker to deny service locally.","status":"published","published":"2025-10-14T17:01:48.832Z","modified":"2026-02-22T17:26:08.986Z","cvss":[{"version":"3.1","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","level":"high","assessor":"cna"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:32:47.812946Z"}],"euvd":[{"id":"EUVD-2025-34266","description":"Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an authorized attacker to deny service locally.","status":"published","published":"2025-10-14T17:01:48Z","modified":"2026-02-22T17:26:08Z","cvss":[{"version":"3.1","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","level":"high"}],"updated_at":"2026-11-02T19:48:35.625588Z"}],"ghsa":[{"id":"GHSA-rc6m-rg5w-wv73","title":"Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an...","description":"Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an authorized attacker to deny service locally.","status":"published","published":"2025-10-14T18:30:36Z","modified":"2025-10-14T18:30:47Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:03:58.523415Z"}],"nvd":[{"id":"CVE-2025-59497","description":"Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an authorized attacker to deny service locally.","status":"published","published":"2025-10-14T17:16:13.18Z","modified":"2026-10-08T12:10:00.217Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:11:38.17237Z"}]}}