CVE-2023-28297: Microsoft Windows 10 1607

High severity, CVSS 8.8. EPSS: 1.7% chance of exploitation in the next 30 days.

Windows Remote Procedure Call Service (RPCSS) Elevation of Privilege Vulnerability

Affected products

• Microsoft Windows 10 1607: before 10.0.14393.5648 (fixed in 10.0.14393.5648)
• Microsoft Windows 10 1809: before 10.0.17763.3887 (fixed in 10.0.17763.3887)
• Microsoft Windows 10 20h2: before 10.0.19042.2486 (fixed in 10.0.19042.2486)
• Microsoft Windows 10 21h2: before 10.0.19044.2486 (fixed in 10.0.19044.2486)
• Microsoft Windows 10 22h2: before 10.0.19045.2486 (fixed in 10.0.19045.2486)
• Microsoft Windows 11 22h2: before 10.0.22621.1105 (fixed in 10.0.22621.1105)
• Microsoft Windows Server 2012: affected versions not specified; version r2 only
• Microsoft Windows Server 2016: affected versions not specified
• Microsoft Windows Server 2019: affected versions not specified
• Microsoft Windows Server 2022: affected versions not specified

Published 2023-04-11. Last modified 2026-06-17.