CVE-2021-26864

HIGH

Windows Virtual Registry Provider - Privilege Escalation

Title source: llm

Windows Virtual Registry Provider Elevation of Privilege Vulnerability

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

CVSS v3 8.4

EPSS 0.0062

EPSS Percentile 46.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Status published

Products (12)

microsoft/windows_10

microsoft/windows_10 20h2

microsoft/windows_10 1607

microsoft/windows_10 1803

microsoft/windows_10 1809

microsoft/windows_10 1909

microsoft/windows_10 2004

microsoft/windows_server_2016

microsoft/windows_server_2016 20h2

microsoft/windows_server_2016 1909

... and 2 more

Published Mar 11, 2021

Tracked Since Feb 18, 2026