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Δ / VULNERABILITY RECORD

CVE-2026-21517.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 4.7No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Feb 13, 2026

Disclosure summary

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

Source-reported weakness categories

CWE-59

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

Microsoft Security Updates (CVRF) · 2026-Feb

Open original source · Updated Feb 13, 2026

Windows App for Mac Installer Elevation of Privilege Vulnerability

Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.

Microsoft maximum product score: 4.7

VendorProduct / associationVersion / bounds
Microsoft update guideWindows App for Mac (MSRC status code 3)

Vendor remediation references

  • Vendor guidance · build 11.3.2 · product IDs 20847
  • Vendor guidance · product IDs 20847

Original records & references

PUBLISHED 2026-02-10T03:00:00-05:00
MODIFIED 2026-02-13T03:00:00-05:00
INGESTED 2026-10-08T12:45:17-04:00