Windows Defender Firewall Service vulnerabilities
5 known CVE vulnerabilities in Windows Defender Firewall Service, translated and rated.
- CVE-2026-83679High
Use after free in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-70568High
Heap-based buffer overflow in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-68831Medium
A vulnerability in the Windows Defender Firewall Service involves files or directories accessible to external parties. An authorized attacker could exploit this to disclose information locally.
- CVE-2026-61936Medium
Missing authorization in Windows Defender Firewall Service allows an authorized attacker to bypass a security feature locally.
- CVE-2025-62468Medium
Out-of-bounds read in Windows Defender Firewall Service allows an authorized attacker to disclose information locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

