{"id":"CVE-2026-26183","published":"2026-04-14T16:57:08Z","modified":"2026-10-15T15:52:25Z","title":"Remote Access Management service/API (RPC server) Elevation of Privilege Vulnerability","vendor":"Microsoft","product":"Windows Server 2012","tier":"tail","description":{"text":"Improper access control in Windows RPC API allows an authorized attacker to elevate privileges locally.","provenance":"source","from":"CVE.org"},"cvss":{"score":7.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/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":0.00256,"percentile":0.1723,"provenance":"source"},"cwes":[{"id":"CWE-284","name":"Improper Access Control"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26183","tags":["vendor-advisory","patch"]}],"priority":{"score":8.9,"factors":[{"name":"EPSS percentile","points":3.45},{"name":"CVSS severity","points":5.46}]},"vendorSlug":"microsoft","affectedVersions":[{"vendor":"Microsoft","product":"Windows Server 2012","versions":[">= 6.2.9200.0, < 6.2.9200.26026"]},{"vendor":"Microsoft","product":"Windows Server 2012 (Server Core installation)","versions":[">= 6.2.9200.0, < 6.2.9200.26026"]},{"vendor":"Microsoft","product":"Windows Server 2012 R2","versions":[">= 6.3.9600.0, < 6.3.9600.23132"]},{"vendor":"Microsoft","product":"Windows Server 2012 R2 (Server Core installation)","versions":[">= 6.3.9600.0, < 6.3.9600.23132"]},{"vendor":"Microsoft","product":"Windows Server 2016","versions":[">= 10.0.14393.0, < 10.0.14393.9060"]},{"vendor":"Microsoft","product":"Windows Server 2016 (Server Core installation)","versions":[">= 10.0.14393.0, < 10.0.14393.9060"]},{"vendor":"Microsoft","product":"Windows Server 2019","versions":[">= 10.0.17763.0, < 10.0.17763.8644"]},{"vendor":"Microsoft","product":"Windows Server 2019 (Server Core installation)","versions":[">= 10.0.17763.0, < 10.0.17763.8644"]},{"vendor":"Microsoft","product":"Windows Server 2022","versions":[">= 10.0.20348.0, < 10.0.20348.5020"]},{"vendor":"Microsoft","product":"Windows Server 2022, 23H2 Edition (Server Core installation)","versions":[">= 10.0.25398.0, < 10.0.25398.2274"]}],"euvd":{"id":"EUVD-2026-22428","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-microsoft-windows-cwe-284"}}