CVE-2026-61936
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk21th percentile - higher than 21% of all known CVEs
Summary
Missing authorization in Windows Defender Firewall Service allows an authorized attacker to bypass a security feature locally.
Risk Assessment
An authorized user could disable or modify firewall rules, increasing the risk of network attacks.
Recommendation
Install Windows security updates and regularly review user permissions.
Other vulnerabilities in Windows Defender Firewall Service
See all- 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-2025-62468Medium
Out-of-bounds read in Windows Defender Firewall Service allows an authorized attacker to disclose information locally.
Original NVD description (English source)
Missing authorization in Windows Defender Firewall Service allows an authorized attacker to bypass a security feature locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS