{"id":"CVE-2026-68876","aliases":["EUVD-2026-73408","GHSA-qv4h-xgmq-cxxj"],"status":"published","title":"Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability","description":"Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/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":0.00768,"percentile":0.56,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2026-09-08T17:14:44Z","modified":"2026-11-10T21:33:35Z","products":[{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 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Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68876"},{"url":"https://github.com/advisories/GHSA-qv4h-xgmq-cxxj"}],"sources":{"cve":[{"id":"CVE-2026-68876","title":"Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability","description":"Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-09-08T17:14:44.673Z","modified":"2026-11-10T21:33:35.807Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-10T22:48:52.144232Z"}],"euvd":[{"id":"EUVD-2026-73408","description":"Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges over a 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