CVE-2026-68831
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk44th percentile - higher than 44% of all known CVEs
Summary
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.
Risk Assessment
Local data leakage is possible, which could compromise the confidentiality of information stored on the system.
Recommendation
Install Windows security updates. Review and restrict file and directory access permissions.
Other vulnerabilities in Windows Defender Firewall Service
See all- 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-2026-61936Medium
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.
Original NVD description (English source)
Files or directories accessible to external parties in Windows Defender Firewall Service allows an authorized attacker to disclose information locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS