CVE-2018-8405
Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 18 April 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory, aka "DirectX Graphics Kernel Elevation of Privilege Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8400, CVE-2018-8401, CVE-2018-8406.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.44% probability · 88th percentile
- CISA KEV
- Listed 28 March 2022 · due 18 April 2022 · used in ransomware campaigns
- Weakness
- CWE-404
- Affected
- microsoft/windows 10 1507 · microsoft/windows 10 1607 · microsoft/windows 10 1703 · microsoft/windows 10 1709 · microsoft/windows 10 1803 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server 1709 · microsoft/windows server 1803 · microsoft/windows server 2012 · microsoft/windows server 2016
- Source
- secure@microsoft.com
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2018-8405
References
- http://www.securityfocus.com/bid/105011Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041461Broken Link, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8405Patch, Vendor Advisory
- http://www.securityfocus.com/bid/105011Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041461Broken Link, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8405Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8405US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.