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CVE-2018-8406: Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability

criticalknown exploitedCVE-2018-8406
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory.

CSIRTS triage

vendor: Microsoftproduct: WindowsPrivilege escalation
What
An elevation of privilege vulnerability exists when the DirectX Graphics Kernel driver improperly handles objects in memory.
Who is affected
Local users of Microsoft Windows with vulnerable versions.
Urgency
Immediate action is required as this vulnerability is actively exploited and critical in severity.
Action
Apply the latest security updates for Windows.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-03-28
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2018-8406

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2018-8406coverage & exploitation statusNVD · CVE.org

Recent advisories for Microsoft DirectX Graphics

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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