CVE-2019-1090: Microsoft Windows 10

High severity, CVSS 7.8. EPSS: 1% chance of exploitation in the next 30 days.

An elevation of privilege vulnerability exists in the way that the dnsrslvr.dll handles objects in memory, aka 'Windows dnsrlvr.dll Elevation of Privilege Vulnerability'.

Affected products

• Microsoft Windows 10: version 1803 only; version 1809 only; version 1903 only
• Microsoft Windows Server 2016: version 1803 only; version 1903 only
• Microsoft Windows Server 2019: affected versions not specified

Published 2019-07-15. Last modified 2026-06-17.