High severity7.0NVD Advisory· Published Sep 8, 2026· Updated Sep 24, 2026
CVE-2026-70568
CVE-2026-70568
Description
Heap-based buffer overflow in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.
Affected products
1Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70568nvdPatchVendor Advisory
News mentions
2- Patch Tuesday - September 2026Rapid7 Blog · Sep 8, 2026
- Massive Microsoft Patch Tuesday September 2026 – 973 Vulnerabilities Fixed, Including 2 Zero-DaysCyber Security News · Sep 8, 2026