{"id":"CVE-2026-57105","aliases":["EUVD-2026-56291","GHSA-pgjm-4362-2w4c"],"status":"published","title":"Microsoft Office SharePoint Spoofing Vulnerability","description":"Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.","severity":{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0062,"percentile":0.50036,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-08-11T17:03:27Z","modified":"2026-11-10T21:57:03Z","products":[{"vendor":"microsoft","product":"microsoft sharepoint server 2019"},{"vendor":"microsoft","product":"microsoft sharepoint server subscription edition"},{"vendor":"microsoft","product":"sharepoint_server"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57105","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57105"},{"url":"https://github.com/advisories/GHSA-pgjm-4362-2w4c"}],"sources":{"cve":[{"id":"CVE-2026-57105","title":"Microsoft Office SharePoint Spoofing Vulnerability","description":"Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.","status":"published","published":"2026-08-11T17:03:27.081Z","modified":"2026-11-10T21:57:03.843Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-10T22:48:51.483784Z"}],"euvd":[{"id":"EUVD-2026-56291","description":"Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.","status":"published","published":"2026-08-11T17:03:27Z","modified":"2026-11-10T21:57:03Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T23:24:18.784503Z"}],"ghsa":[{"id":"GHSA-pgjm-4362-2w4c","title":"Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft...","description":"Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.","status":"published","published":"2026-08-11T18:30:59Z","modified":"2026-08-11T18:30:59Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:10:18.151039Z"}],"nvd":[{"id":"CVE-2026-57105","description":"Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.","status":"published","published":"2026-08-11T17:18:04.74Z","modified":"2026-10-24T16:10:00.153Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:36.499002Z"}]}}