{"affected":[{"platforms":["x64-based Systems"],"product":"Microsoft SharePoint Server Subscription Edition","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"16.0.20326.20136","status":"affected","version":"16.0.0","versionType":"custom"}]}],"cveId":"CVE-2026-123390","cwes":["CWE-502"],"description":"Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.8,"severity":"high","source":"CNA: microsoft","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","version":"3.1"}],"modifiedAt":1794339759240,"publishedAt":1794334943540,"references":[{"source":"CNA: microsoft","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-123390"}],"remediation":[{"kind":"fix","source":"CNA: microsoft","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-123390"}],"revision":"82556680c4d18a551254ebaf58b540f9465d5086a988711f46fa84cbbf449a9f","sources":[{"modifiedAt":1794339759240,"name":"CNA: microsoft","retrievedAt":1794340394706,"url":"https://www.cve.org/CVERecord?id=CVE-2026-123390"}],"ssvc":null,"status":"published","title":"Microsoft Office SharePoint Remote Code Execution Vulnerability","updatedAt":1794340394706}