CVE-2026-56173
Microsoft · Published July 14, 2026
7.0
CVSS v3.1
HIGHPatch availableGet patch
Description
Windows WebView Elevation of Privilege Vulnerability. Use after free in Windows WebView 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:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C