{"id":"CVE-2026-21517","published":"2026-02-10T17:51:15Z","modified":"2026-08-19T16:25:48Z","title":"Windows App for Mac Installer Elevation of Privilege Vulnerability","vendor":"Microsoft","product":"Windows App for Mac","tier":"tail","description":{"text":"Improper link resolution before file access ('link following') in Windows App for Mac allows an authorized attacker to elevate privileges locally.","provenance":"source","from":"CVE.org"},"cvss":{"score":4.7,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.00379,"percentile":0.31816,"provenance":"source"},"cwes":[{"id":"CWE-59","name":"Improper Link Resolution Before File Access"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21517","tags":["vendor-advisory","patch"]}],"priority":{"score":9.7,"factors":[{"name":"EPSS percentile","points":6.36},{"name":"CVSS severity","points":3.29}]},"vendorSlug":"microsoft","affectedVersions":[{"vendor":"Microsoft","product":"Windows App for Mac","versions":[">= 11.0.0, < 11.3.2"]}],"euvd":{"id":"EUVD-2026-7308","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-microsoft-windows-cwe-59"}}