CVE-2020-1388: Microsoft Windows 10

High severity, CVSS 7.8. EPSS: 0.8% chance of exploitation in the next 30 days.

An elevation of privilege vulnerability exists in the way that the psmsrv.dll handles objects in memory, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1392, CVE-2020-1394, CVE-2020-1395.

Affected products

• Microsoft Windows 10: affected versions not specified; version 1607 only; version 1709 only; version 1803 only; version 1809 only; version 1903 only; …
• Microsoft Windows Server 2016: affected versions not specified; version 1903 only; version 1909 only; version 2004 only
• Microsoft Windows Server 2019: affected versions not specified

Published 2020-07-14. Last modified 2026-06-17.