{"id":"CVE-2026-97774","aliases":["EUVD-2026-99831","GHSA-x7rq-wc5m-cvmj"],"status":"published","title":"Microsoft Office Click-To-Run Elevation of Privilege Vulnerability","description":"Time-of-check time-of-use (toctou) race condition 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":0.00181,"percentile":0.07798,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367"],"published":"2026-10-13T19:00:38Z","modified":"2026-11-10T20:41:01Z","products":[{"vendor":"microsoft","product":"365_apps"},{"vendor":"microsoft","product":"microsoft 365 apps for enterprise"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97774","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97774"},{"url":"https://github.com/advisories/GHSA-x7rq-wc5m-cvmj"}],"sources":{"cve":[{"id":"CVE-2026-97774","title":"Microsoft Office Click-To-Run Elevation of Privilege Vulnerability","description":"Time-of-check time-of-use (toctou) race condition in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:00:38.372Z","modified":"2026-11-10T20:41:01.99Z","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-367"],"updated_at":"2026-11-10T22:18:30.298108Z"}],"euvd":[{"id":"EUVD-2026-99831","description":"Time-of-check time-of-use (toctou) race condition in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:00:38Z","modified":"2026-11-10T20:41:01Z","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":"2026-11-10T22:23:58.135191Z"}],"ghsa":[{"id":"GHSA-x7rq-wc5m-cvmj","title":"Time-of-check time-of-use (toctou) race condition in Microsoft Office Click-To-Run allows an...","description":"Time-of-check time-of-use (toctou) race condition in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T21:37:13Z","modified":"2026-10-13T21:37:19Z","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-367"],"updated_at":"2026-11-02T15:13:20.228797Z"}],"nvd":[{"id":"CVE-2026-97774","description":"Time-of-check time-of-use (toctou) race condition in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:22:15.35Z","modified":"2026-10-15T17:39:14.387Z","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-367"],"updated_at":"2026-11-02T14:12:58.630796Z"}]}}