{"id":"CVE-2026-42896","aliases":["EUVD-2026-29717","GHSA-xq6v-x2f5-r47x"],"status":"published","title":"Windows DWM Core Library Elevation of Privilege Vulnerability","description":"Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/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":"2026-11-11","score":0.00284,"percentile":0.21119,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-190"],"published":"2026-05-12T16:59:05Z","modified":"2026-08-10T15:13:15Z","products":[{"vendor":"microsoft","product":"windows 11 version 24h2"},{"vendor":"microsoft","product":"windows 11 version 25h2"},{"vendor":"microsoft","product":"windows 11 version 26h1"},{"vendor":"microsoft","product":"windows server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_11_26h1"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42896","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42896"},{"url":"https://github.com/advisories/GHSA-xq6v-x2f5-r47x"}],"sources":{"cve":[{"id":"CVE-2026-42896","title":"Windows DWM Core Library Elevation of Privilege Vulnerability","description":"Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-05-12T16:59:05.561Z","modified":"2026-08-10T15:13:15.786Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-190","CWE-122"],"updated_at":"2026-11-02T13:40:35.004553Z"}],"euvd":[{"id":"EUVD-2026-29717","description":"Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-05-12T16:59:05Z","modified":"2026-08-10T15:13:15Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:02:02.39155Z"}],"ghsa":[{"id":"GHSA-xq6v-x2f5-r47x","title":"Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to...","description":"Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-05-12T18:30:47Z","modified":"2026-05-12T18:30:55Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:08:06.366942Z"}],"nvd":[{"id":"CVE-2026-42896","description":"Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-05-12T18:17:26.47Z","modified":"2026-06-17T10:48:34.78Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-122","CWE-190"],"updated_at":"2026-11-02T14:12:18.613259Z"}]}}