{"id":"CVE-2026-109455","aliases":["EUVD-2026-121573","GHSA-hfx7-rwxw-67pj"],"status":"published","title":"Microsoft Office SharePoint Information Disclosure Vulnerability","description":"Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-13","score":0.00931,"percentile":0.61169,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2026-11-10T18:15:30Z","modified":"2026-11-10T21:32:34Z","products":[{"vendor":"microsoft","product":"microsoft sharepoint server subscription edition"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109455","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109455"},{"url":"https://github.com/advisories/GHSA-hfx7-rwxw-67pj"}],"sources":{"cve":[{"id":"CVE-2026-109455","title":"Microsoft Office SharePoint Information Disclosure Vulnerability","description":"Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.","status":"published","published":"2026-11-10T18:15:30.155Z","modified":"2026-11-12T21:42:41.766Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-10T19:39:57.855077Z"}],"euvd":[{"id":"EUVD-2026-121573","description":"Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.","status":"published","published":"2026-11-10T18:15:30Z","modified":"2026-11-12T21:42:41Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-10T23:24:26.96779Z"}],"ghsa":[{"id":"GHSA-hfx7-rwxw-67pj","title":"Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to disclose...","description":"Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.","status":"published","published":"2026-11-10T21:32:28Z","modified":"2026-11-10T21:32:34Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-10T21:57:48.570264Z"}],"nvd":[{"id":"CVE-2026-109455","description":"Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.","status":"published","published":"2026-11-10T19:18:14.507Z","modified":"2026-11-10T21:18:04.2Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-11T00:21:54.23974Z"}]}}