{"id":"CVE-2026-105578","aliases":["EUVD-2026-122052","GHSA-r7gm-9xhg-p3cr"],"status":"published","title":"Microsoft JScript Remote Code Execution Vulnerability","description":"Integer overflow or wraparound in Microsoft JScript allows an unauthorized attacker to execute code over a network.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/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":"2026-11-14","score":0.00621,"percentile":0.50382,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190","CWE-822"],"published":"2026-11-10T18:19:55Z","modified":"2026-11-10T21:32:29Z","products":[{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 21h2"},{"vendor":"microsoft","product":"windows 10 version 22h2"},{"vendor":"microsoft","product":"windows 11 version 23h2"},{"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 11 version 26h2"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-105578","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105578"},{"url":"https://github.com/advisories/GHSA-r7gm-9xhg-p3cr"}],"sources":{"cve":[{"id":"CVE-2026-105578","title":"Microsoft JScript Remote Code Execution Vulnerability","description":"Integer overflow or wraparound in Microsoft JScript allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-11-10T18:19:55.96Z","modified":"2026-11-13T18:08:45.464Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/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-822"],"updated_at":"2026-11-10T19:39:57.855077Z"}],"euvd":[{"id":"EUVD-2026-122052","description":"Integer overflow or wraparound in Microsoft JScript allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-11-10T18:19:55Z","modified":"2026-11-13T18:08:45Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T23:24:26.602648Z"}],"ghsa":[{"id":"GHSA-r7gm-9xhg-p3cr","title":"Integer overflow or wraparound in Microsoft JScript allows an unauthorized attacker to execute...","description":"Integer overflow or wraparound in Microsoft JScript allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-11-10T21:32:24Z","modified":"2026-11-10T21:32:29Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-10T21:57:48.570264Z"}],"nvd":[{"id":"CVE-2026-105578","description":"Integer overflow or wraparound in Microsoft JScript allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-11-10T19:18:00.303Z","modified":"2026-11-10T21:17:48.09Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-190","CWE-822"],"updated_at":"2026-11-11T00:21:53.860815Z"}]}}