{"id":"CVE-2025-48799","published":"2025-07-08T16:57:36Z","modified":"2026-02-13T19:07:11Z","title":"Windows Update Service Elevation of Privilege Vulnerability","vendor":"Microsoft","product":"Windows 10 Version 1607","tier":"tail","description":{"text":"Improper link resolution before file access ('link following') in Windows Update Service 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":0.01257,"percentile":0.69458,"provenance":"source"},"cwes":[{"id":"CWE-59","name":"Improper Link Resolution Before File Access"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48799","tags":["vendor-advisory","patch"]},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-48799-mitigation-script-elevation-of-privilege-vulnerability-in-windows-update-service","tags":[]},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-48799-detection-script-elevation-of-privilege-vulnerability-in-windows-update-service","tags":[]}],"priority":{"score":24.4,"factors":[{"name":"EPSS percentile","points":13.89},{"name":"Public exploit code","points":5.0},{"name":"CVSS severity","points":5.46}]},"exploitSources":{"pocGithub":{"count":2,"skipped":1,"earliest":"2025-07-08","earliestUrl":"https://github.com/Wh04m1001/CVE-2025-48799","repos":[{"name":"Wh04m1001/CVE-2025-48799","url":"https://github.com/Wh04m1001/CVE-2025-48799","stars":269,"created":"2025-07-08"},{"name":"gmh5225/CVE-2025-48799-","url":"https://github.com/gmh5225/CVE-2025-48799-","stars":0,"created":"2025-09-02"}]},"first":{"date":"2025-07-08","source":"PoC-in-GitHub","url":"https://github.com/Wh04m1001/CVE-2025-48799"},"provenance":"source"},"vendorSlug":"microsoft","affectedVersions":[{"vendor":"Microsoft","product":"Windows 10 Version 1607","versions":[">= 10.0.14393.0, < 10.0.14393.8246"]},{"vendor":"Microsoft","product":"Windows 10 Version 1809","versions":[">= 10.0.17763.0, < 10.0.17763.7558"]},{"vendor":"Microsoft","product":"Windows 10 Version 21H2","versions":[">= 10.0.19044.0, < 10.0.19044.6093"]},{"vendor":"Microsoft","product":"Windows 10 Version 22H2","versions":[">= 10.0.19045.0, < 10.0.19045.6093"]},{"vendor":"Microsoft","product":"Windows 11 version 22H2","versions":[">= 10.0.22621.0, < 10.0.22621.5624"]},{"vendor":"Microsoft","product":"Windows 11 version 22H3","versions":[">= 10.0.22631.0, < 10.0.22631.5624"]},{"vendor":"Microsoft","product":"Windows 11 Version 23H2","versions":[">= 10.0.22631.0, < 10.0.22631.5624"]},{"vendor":"Microsoft","product":"Windows 11 Version 24H2","versions":[">= 10.0.26100.0, < 10.0.26100.4652"]},{"vendor":"Microsoft","product":"Windows Server 2025","versions":[">= 10.0.26100.0, < 10.0.26100.4652"]},{"vendor":"Microsoft","product":"Windows Server 2025 (Server Core installation)","versions":[">= 10.0.26100.0, < 10.0.26100.4652"]}],"euvd":{"id":"EUVD-2025-20603","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-microsoft-windows-cwe-59"}}