CVE-2023-35347: Microsoft Windows 10 21h2

High severity, CVSS 7.1. EPSS: 0.5% chance of exploitation in the next 30 days.

Microsoft Install Service Elevation of Privilege Vulnerability

Affected products

• Microsoft Windows 10 21h2: before 10.0.19041.3208 (fixed in 10.0.19041.3208)
• Microsoft Windows 10 22h2: before 10.0.19045.3208 (fixed in 10.0.19045.3208)
• Microsoft Windows 11 21h2: before 10.0.22000.2176 (fixed in 10.0.22000.2176)
• Microsoft Windows 11 22h2: before 10.0.22621.1992 (fixed in 10.0.22621.1992)
• Microsoft Windows Server 2022: affected versions not specified

Published 2023-07-11. Last modified 2026-06-17.