CVE-2026-21517
Windows App for Mac Installer Elevation of Privilege Vulnerability
Improper link resolution before file access ('link following') in Windows App for Mac allows an authorized attacker to elevate privileges locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Windows App for Mac Installer Elevation of Privilege Vulnerability
Improper link resolution before file access ('link following') in Windows App for Mac allows an authorized attacker to elevate privileges locally.
- Record
CVE-2026-21517- CVSS 3.1
- 4.7 Medium
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 - Weakness
- CWE-59
- Updated
- 2026-11-02
EUVDEUVD-2026-7308
Improper link resolution before file access ('link following') in Windows App for Mac allows an authorized attacker to elevate privileges locally.
- Record
EUVD-2026-7308- CVSS 3.1
- 4.7 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-px7f-389h-299v
Improper link resolution before file access ('link following') in Windows App for Mac allows an...
Improper link resolution before file access ('link following') in Windows App for Mac allows an authorized attacker to elevate privileges locally.
- Record
GHSA-px7f-389h-299v- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-59
- Updated
- 2026-11-02
NVD
Improper link resolution before file access ('link following') in Windows App for Mac allows an authorized attacker to elevate privileges locally.
- Record
CVE-2026-21517- CVSS 3.1
- 4.7 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-59
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-21517 is a medium vulnerability (CVSS 4.7) in Microsoft Windows App For Mac, published February 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 31st percentile. No source names a fixed version.