{"id":"CVE-2026-70300","aliases":["EUVD-2026-99720","GHSA-qj8r-m7gw-387x"],"status":"published","title":"Microsoft Office Word Remote Code Execution Vulnerability","description":"Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code over a network.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01128,"percentile":0.66781,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-822"],"published":"2026-10-13T19:00:29Z","modified":"2026-11-10T20:40:00Z","products":[{"vendor":"microsoft","product":"365_apps"},{"vendor":"microsoft","product":"microsoft 365 apps for enterprise"},{"vendor":"microsoft","product":"microsoft office ltsc 2021"},{"vendor":"microsoft","product":"microsoft office ltsc 2024"},{"vendor":"microsoft","product":"office_2021"},{"vendor":"microsoft","product":"office_2024"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70300","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-70300"},{"url":"https://github.com/advisories/GHSA-qj8r-m7gw-387x"}],"sources":{"cve":[{"id":"CVE-2026-70300","title":"Microsoft Office Word Remote Code Execution Vulnerability","description":"Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-10-13T19:00:29.319Z","modified":"2026-11-10T20:40:00.52Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-822"],"updated_at":"2026-11-10T22:18:28.707469Z"}],"euvd":[{"id":"EUVD-2026-99720","description":"Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-10-13T19:00:29Z","modified":"2026-11-10T20:40:00Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-10T22:23:59.037992Z"}],"ghsa":[{"id":"GHSA-qj8r-m7gw-387x","title":"Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute...","description":"Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-10-13T21:34:22Z","modified":"2026-10-13T21:34:29Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-822"],"updated_at":"2026-11-02T15:13:15.646152Z"}],"nvd":[{"id":"CVE-2026-70300","description":"Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-10-13T19:19:50.007Z","modified":"2026-10-14T20:14:43.74Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-822"],"updated_at":"2026-11-02T14:12:57.603498Z"}]}}