CVE-2021-26869

MEDIUM

Windows ActiveX Installer Service - Information Disclosure

Title source: llm

Windows ActiveX Installer Service Information Disclosure Vulnerability

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

CVSS v3 5.5

EPSS 0.0083

EPSS Percentile 53.9%

Attack Vector LOCAL

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

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Status published

Products (17)

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_7

microsoft/windows_8.1

microsoft/windows_rt_8.1

... and 7 more

Published Mar 11, 2021

Tracked Since Feb 18, 2026