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Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-21517

CVE-2026-21517

MEDIUM4.7

Windows App for Mac Installer Elevation of Privilege Vulnerability

Published Feb 10, 2026

Modified 3 days ago

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21517

https://www.cve.org/CVERecord?id=CVE-2026-21517

CVSS Analysis

CVSS v3.1

4.7

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

HighAC:H

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

HighI:H

Availability

NoneA:N

4.7/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 Type (CWE)

File System

Ecosystems

Timeline

PublishedFeb 10, 2026

ModifiedMar 13, 2026

CVE-2026-21517 | Mondoo Vulnerability Intelligence