{"id":"CVE-2025-54897","aliases":["EUVD-2025-27358","GHSA-rvp7-398f-7v5c"],"status":"published","title":"Microsoft SharePoint Remote Code Execution Vulnerability","description":"Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/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":"2026-11-12","score":0.23405,"percentile":0.97819,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-502"],"published":"2025-09-09T17:00:53Z","modified":"2026-10-18T21:10:00Z","exploits":[{"source":"pocgithub","id":"themaxlpalfaboy/CVE-2025-54897-LAB","title":"themaxlpalfaboy/CVE-2025-54897-LAB","date":"2025-11-01","url":"https://github.com/themaxlpalfaboy/CVE-2025-54897-LAB"}],"products":[{"vendor":"microsoft","product":"microsoft sharepoint enterprise server 2016"},{"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-2025-54897","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-54897"},{"url":"https://github.com/advisories/GHSA-rvp7-398f-7v5c"}],"sources":{"cve":[{"id":"CVE-2025-54897","title":"Microsoft SharePoint Remote Code Execution Vulnerability","description":"Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.","status":"published","published":"2025-09-09T17:00:53.664Z","modified":"2026-02-26T17:49:00.263Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:32:27.603809Z"}],"euvd":[{"id":"EUVD-2025-27358","description":"Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.","status":"published","published":"2025-09-09T17:00:53Z","modified":"2026-02-26T17:49:00Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T19:48:21.16108Z"}],"ghsa":[{"id":"GHSA-rvp7-398f-7v5c","title":"Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to...","description":"Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.","status":"published","published":"2025-09-09T18:31:22Z","modified":"2025-09-09T18:31:27Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:03:33.203079Z"}],"nvd":[{"id":"CVE-2025-54897","description":"Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.","status":"published","published":"2025-09-09T17:16:00.51Z","modified":"2026-10-18T21:10:00.12Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:11:27.73916Z"}]}}