CVE-2018-8406
Microsoft DirectX Graphics Kernel (DXGKRNL): DirectX Graphics Kernel Privilege Escalation
As of , CVE-2018-8406 in Microsoft DirectX Graphics Kernel (DXGKRNL) is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.
- Exploited
- Yes: CISA listed it on 28 March 2022
- US federal deadline
- 18 April 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Known
- EPSS score
- 0.03Higher than 88% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.01 on 28 March 2022EPSS on the day CISA listed it.
- Public exploit
- None foundNeither Metasploit nor Exploit-DB lists one.
- Fix
- No vendor link in CISA's entry
What CISA says to do
Apply updates per vendor instructions.
CISA's required action
What the flaw is
An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory.
CISA's 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 2016, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8400, CVE-2018-8401, CVE-2018-8405.
The CVE record's description, from microsoft
- CVE published
- 15 August 2018
- Assigned by
- microsoft
- CVSS
- 7.8 High (CVSS 3.1, from CISA-ADP)
- CWE-404
- Improper Resource Shutdown or Release
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- no
- CISA SSVC, technical impact
- total
Timeline
- The CVE record was published.
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
DirectX Graphics Kernel (DXGKRNL): other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2018-8405DirectX Graphics Kernel Privilege Escalation | Microsoft DirectX Graphics Kernel (DXGKRNL) | Patch this weekRansomware use | 0.03 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org