{"id":"CVE-2025-29971","aliases":["EUVD-2025-14466","GHSA-57q8-vxgg-mfqw"],"status":"published","title":"Web Threat Defense (WTD.sys) Denial of Service Vulnerability","description":"Out-of-bounds read in Web Threat Defense (WTD.sys) allows an unauthorized attacker to deny service over a network.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.68132,"percentile":0.99338,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2025-05-13T16:58:34Z","modified":"2026-06-17T09:06:00Z","products":[{"vendor":"microsoft","product":"windows 11 version 22h2"},{"vendor":"microsoft","product":"windows 11 version 22h3"},{"vendor":"microsoft","product":"windows 11 version 23h2"},{"vendor":"microsoft","product":"windows 11 version 24h2"},{"vendor":"microsoft","product":"windows_11_22h2"},{"vendor":"microsoft","product":"windows_11_23h2"},{"vendor":"microsoft","product":"windows_11_24h2"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29971","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-29971"},{"url":"https://github.com/advisories/GHSA-57q8-vxgg-mfqw"}],"sources":{"cve":[{"id":"CVE-2025-29971","title":"Web Threat Defense (WTD.sys) Denial of Service Vulnerability","description":"Out-of-bounds read in Web Threat Defense (WTD.sys) allows an unauthorized attacker to deny service over a network.","status":"published","published":"2025-05-13T16:58:34.659Z","modified":"2026-02-13T19:20:55.509Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:32:46.109993Z"}],"euvd":[{"id":"EUVD-2025-14466","description":"Out-of-bounds read in Web Threat Defense (WTD.sys) allows an unauthorized attacker to deny service over a network.","status":"published","published":"2025-05-13T16:58:34Z","modified":"2026-02-13T19:20:55Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T19:48:39.007067Z"}],"ghsa":[{"id":"GHSA-57q8-vxgg-mfqw","title":"Out-of-bounds read in Web Threat Defense (WTD.sys) allows an unauthorized attacker to deny...","description":"Out-of-bounds read in Web Threat Defense (WTD.sys) allows an unauthorized attacker to deny service over a network.","status":"published","published":"2025-05-13T18:30:55Z","modified":"2025-05-13T18:31:00Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:02:15.83063Z"}],"nvd":[{"id":"CVE-2025-29971","description":"Out-of-bounds read in Web Threat Defense (WTD.sys) allows an unauthorized attacker to deny service over a network.","status":"published","published":"2025-05-13T17:15:57.983Z","modified":"2026-06-17T09:06:00.04Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:11:07.176032Z"}]}}