What’s Vulnerable › Vulnerabilities
CVE-2026-21517: Windows App for Mac Installer Elevation of Privilege Vulnerability
- Severity: high (CVSS 7.0 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-02-10 · updated 2026-08-19
- Weakness: CWE-59
Description
Improper link resolution before file access ('link following') in Windows App for Mac allows an authorized attacker to elevate privileges locally.
Affected products
- Microsoft Windows App Client for Windows Desktop: before 11.3.2 — fixed in 11.3.2
- Microsoft Windows App Client for Windows Desktop: from 11.0.0 before 11.3.2 — fixed in 11.3.2
How to fix
Upgrade to a fixed version: Microsoft Windows App Client for Windows Desktop 11.3.2; Microsoft Windows App Client for Windows Desktop 11.3.2. Check the vendor advisory for mitigations.
References
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