CVE-2018-8549

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-11-14 · updated 2026-06-17

Description

A security feature bypass exists when Windows incorrectly validates kernel driver signatures, aka "Windows Security Feature Bypass Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2012, Windows Server 2019, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers.

Affected products

Microsoft Windows 10 Version 1607: 1607, 1703, 1709, 1803, 1809
Microsoft Windows 8.1: all versions
Microsoft Windows RT 8.1: all versions
Microsoft Windows Server 2012: r2
Microsoft Windows Server 2016: 1709, 1803
Microsoft Windows Server 2019: all versions

References

http://www.securityfocus.com/bid/105803
http://www.securitytracker.com/id/1042138
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8549
http://www.securityfocus.com/bid/105803
http://www.securitytracker.com/id/1042138
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8549

Get alerted when CVE-2018-8549 or the next vulnerability affects your stack