{"id":"CVE-2026-70276","aliases":["EUVD-2026-99716","GHSA-6g95-gcqf-pqfj"],"status":"published","title":"Microsoft Office Click-To-Run Elevation of Privilege Vulnerability","description":"Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00288,"percentile":0.2162,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-10-13T19:00:28Z","modified":"2026-11-10T20:39:55Z","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-2026-70276","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-70276"},{"url":"https://github.com/advisories/GHSA-6g95-gcqf-pqfj"}],"sources":{"cve":[{"id":"CVE-2026-70276","title":"Microsoft Office Click-To-Run Elevation of Privilege Vulnerability","description":"Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:00:28.055Z","modified":"2026-11-10T20:39:55.337Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-10T22:18:28.707469Z"}],"euvd":[{"id":"EUVD-2026-99716","description":"Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:00:28Z","modified":"2026-11-10T20:39:55Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T22:23:59.037992Z"}],"ghsa":[{"id":"GHSA-6g95-gcqf-pqfj","title":"Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate...","description":"Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T21:34:20Z","modified":"2026-10-13T21:34:27Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:13:15.646152Z"}],"nvd":[{"id":"CVE-2026-70276","description":"Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:19:46.873Z","modified":"2026-10-15T17:30:55.11Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:12:57.603498Z"}]}}