CVE-2026-70568
HighCVSS 7.0Summary
Heap-based buffer overflow in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker could exploit the vulnerability to execute code with elevated privileges, potentially leading to firewall disablement or system takeover.
Recommendation
Apply security patches from the Windows vendor.
Other vulnerabilities in Windows Defender Firewall Service
See all- 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.
Original NVD description (English source)
Heap-based buffer overflow in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.

