CVE-2026-70304
Microsoft · Published August 11, 2026
6.7
CVSS v3.1
MEDIUMPatch availableGet patch
Description
Windows DNS Elevation of Privilege Vulnerability. Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally.
Affected Products
- Windows 10 Version 1809 for 32-bit Systems
- Windows 10 Version 1809 for x64-based Systems
- Windows Server 2019
- Windows Server 2019 (Server Core installation)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C