Microsoft Windows Security App vulnerabilities

3 CVEs affecting Microsoft Windows Security App, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-105725, published 2026-10-13.

More from Microsoft.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2025-47956, published 2025-06-10. Medium severity, CVSS 5.5. EPSS: 0.7% chance of exploitation in the next 30 days. External control of file name or path in Windows Security App allows an authorized attacker to perform spoofing locally.
• CVE-2025-53769, published 2025-08-12. Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days. External control of file name or path in Windows Security App allows an authorized attacker to perform spoofing locally.
• CVE-2026-105725, published 2026-10-13. High severity, CVSS 7.0. EPSS: 0.3% chance of exploitation in the next 30 days. Use after free in Windows Security App allows an authorized attacker to elevate privileges locally.