{"id":"CVE-2026-124229","aliases":["EUVD-2026-122272","GHSA-p495-3hqh-jg2f"],"status":"published","title":"Microsoft Office Excel Remote Code Execution Vulnerability","description":"Deserialization of untrusted data in Microsoft Office Excel allows an unauthorized attacker to execute code with a physical attack.","severity":{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-14","score":0.01902,"percentile":0.80034,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-11-10T18:22:02Z","modified":"2026-11-10T21:33:58Z","products":[{"vendor":"microsoft","product":"microsoft 365 apps for enterprise"},{"vendor":"microsoft","product":"microsoft office 365 for mac"},{"vendor":"microsoft","product":"microsoft office ltsc 2021"},{"vendor":"microsoft","product":"microsoft office ltsc 2024"},{"vendor":"microsoft","product":"microsoft office ltsc for mac 2021"},{"vendor":"microsoft","product":"microsoft office ltsc for mac 2024"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-124229","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124229"},{"url":"https://github.com/advisories/GHSA-p495-3hqh-jg2f"}],"sources":{"cve":[{"id":"CVE-2026-124229","title":"Microsoft Office Excel Remote Code Execution Vulnerability","description":"Deserialization of untrusted data in Microsoft Office Excel allows an unauthorized attacker to execute code with a physical attack.","status":"published","published":"2026-11-10T18:22:02.08Z","modified":"2026-11-13T18:10:45.45Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-10T19:39:58.973959Z"}],"euvd":[{"id":"EUVD-2026-122272","description":"Deserialization of untrusted data in Microsoft Office Excel allows an unauthorized attacker to execute code with a physical attack.","status":"published","published":"2026-11-10T18:22:02Z","modified":"2026-11-13T18:10:45Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-11T00:24:54.978715Z"}],"ghsa":[{"id":"GHSA-p495-3hqh-jg2f","title":"Deserialization of untrusted data in Microsoft Office Excel allows an unauthorized attacker to...","description":"Deserialization of untrusted data in Microsoft Office Excel allows an unauthorized attacker to execute code with a physical attack.","status":"published","published":"2026-11-10T21:33:52Z","modified":"2026-11-10T21:33:58Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-502"],"updated_at":"2026-11-10T21:57:55.411542Z"}],"nvd":[{"id":"CVE-2026-124229","description":"Deserialization of untrusted data in Microsoft Office Excel allows an unauthorized attacker to execute code with a physical attack.","status":"published","published":"2026-11-10T19:20:50.223Z","modified":"2026-11-10T21:19:08.32Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-11T00:21:54.604297Z"}]}}