{"id":"CVE-2026-26114","published":"2026-03-10T17:05:04Z","modified":"2026-06-19T18:17:47Z","title":"Microsoft SharePoint Server Remote Code Execution Vulnerability","vendor":"Microsoft","product":"Microsoft SharePoint Enterprise Server 2016","tier":"tail","description":{"text":"Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.","provenance":"source","from":"CVE.org"},"cvss":{"score":8.8,"severity":"HIGH","version":"3.1","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","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.03147,"percentile":0.87886,"provenance":"source"},"cwes":[{"id":"CWE-502","name":"Deserialization of Untrusted Data"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26114","tags":["vendor-advisory","patch"]}],"priority":{"score":28.7,"factors":[{"name":"EPSS percentile","points":17.58},{"name":"Public exploit code","points":5.0},{"name":"CVSS severity","points":6.16}]},"exploitSources":{"pocGithub":{"count":2,"skipped":0,"earliest":"2026-07-03","earliestUrl":"https://github.com/huynambka/cve-2026-26114-poc","repos":[{"name":"huynambka/cve-2026-26114-poc","url":"https://github.com/huynambka/cve-2026-26114-poc","stars":23,"created":"2026-07-03"},{"name":"fazilbaig1/CVE-2026-26114-Patch","url":"https://github.com/fazilbaig1/CVE-2026-26114-Patch","stars":1,"created":"2026-08-03"}]},"first":{"date":"2026-07-03","source":"PoC-in-GitHub","url":"https://github.com/huynambka/cve-2026-26114-poc"},"provenance":"source"},"vendorSlug":"microsoft","affectedVersions":[{"vendor":"Microsoft","product":"Microsoft SharePoint Enterprise Server 2016","versions":[">= 16.0.0, < 16.0.5543.1000"]},{"vendor":"Microsoft","product":"Microsoft SharePoint Server 2019","versions":[">= 16.0.0, < 16.0.10417.20102"]}],"euvd":{"id":"EUVD-2026-10681","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-microsoft-sharepoint-cwe-502"}}