CVE-2026-21517 MEDIUM

CVE-2026-21517: Windows App for Mac Installer Elevation of Privilege Vulnerability

Vendor Microsoft
Product Windows App for Mac
Weakness CWE-59
Published February 10, 2026
Last update May 11, 2026
View on NVD All CVEs

CVSS base score

4.7/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality None
Integrity High

CVSS 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

What the vulnerability does

01Description

Improper link resolution before file access ('link following') in Windows App for Mac allows an authorized attacker to elevate privileges locally.

Key dates

02Disclosure timeline

February 10, 2026 CVE published
May 11, 2026 Record updated