{"id":"CVE-2026-111306","aliases":["EUVD-2026-122197","GHSA-w62w-cgpx-25hg"],"status":"published","title":"Microsoft Office Word Remote Code Execution Vulnerability","description":"Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/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":"2026-11-14","score":0.00949,"percentile":0.61774,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2026-11-10T18:21:21Z","modified":"2026-11-10T21:32:41Z","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-2026-111306","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111306"},{"url":"https://github.com/advisories/GHSA-w62w-cgpx-25hg"}],"sources":{"cve":[{"id":"CVE-2026-111306","title":"Microsoft Office Word Remote Code Execution Vulnerability","description":"Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-11-10T18:21:21.391Z","modified":"2026-11-13T18:10:04.224Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/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-122"],"updated_at":"2026-11-10T19:39:58.44836Z"}],"euvd":[{"id":"EUVD-2026-122197","description":"Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-11-10T18:21:21Z","modified":"2026-11-13T18:10:04Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T23:24:29.859872Z"}],"ghsa":[{"id":"GHSA-w62w-cgpx-25hg","title":"Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute...","description":"Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-11-10T21:32:35Z","modified":"2026-11-10T21:32:41Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-10T21:57:49.373692Z"}],"nvd":[{"id":"CVE-2026-111306","description":"Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-11-10T19:18:28.647Z","modified":"2026-11-10T21:18:23.37Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-11T00:21:54.23974Z"}]}}