{"id":"CVE-2026-54124","aliases":["EUVD-2026-44257","GHSA-4895-4gj9-m7gc"],"status":"published","title":"Windows Terminal Remote Code Execution Vulnerability","description":"Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code locally.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00466,"percentile":0.40695,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-190"],"published":"2026-07-14T17:09:26Z","modified":"2026-11-01T17:36:58Z","products":[{"vendor":"microsoft","product":"terminal"},{"vendor":"microsoft","product":"windows 10 version 21h2"},{"vendor":"microsoft","product":"windows 10 version 22h2"},{"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 2022"},{"vendor":"microsoft","product":"windows server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows terminal for windows 10"},{"vendor":"microsoft","product":"windows terminal for windows 11"},{"vendor":"microsoft","product":"windows_10_21h2"},{"vendor":"microsoft","product":"windows_10_22h2"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_11_26h1"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54124","tags":["vendor-advisory","patch","Patch","Vendor Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54124"},{"url":"https://github.com/advisories/GHSA-4895-4gj9-m7gc"}],"sources":{"cve":[{"id":"CVE-2026-54124","title":"Windows Terminal Remote Code Execution Vulnerability","description":"Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code locally.","status":"published","published":"2026-07-14T17:09:26.995Z","modified":"2026-11-01T17:36:58.28Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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":"2026-11-02T13:38:09.774038Z"}],"euvd":[{"id":"EUVD-2026-44257","description":"Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code locally.","status":"published","published":"2026-07-14T17:09:26Z","modified":"2026-11-01T17:36:58Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T16:58:46.970263Z"}],"ghsa":[{"id":"GHSA-4895-4gj9-m7gc","title":"Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute...","description":"Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code locally.","status":"published","published":"2026-07-14T18:32:31Z","modified":"2026-07-14T18:32:37Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:09:30.119193Z"}],"nvd":[{"id":"CVE-2026-54124","description":"Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code locally.","status":"published","published":"2026-07-14T18:18:08.373Z","modified":"2026-07-22T16:18:14.457Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-122","CWE-190"],"updated_at":"2026-11-02T14:12:29.489525Z"}],"osv":[{"id":"CVE-2026-54124","description":"Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code locally.","status":"published","published":"2026-07-14T18:18:08.373Z","modified":"2026-10-24T14:39:15.845184104Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:08.132336Z"}]}}