Actively exploited · Published Aug 15, 2018 · Assigned by microsoft
CVE-2018-8406
High 7.8 Exploited Ransomware
In plain English
A high-severity security flaw in Windows 10 from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on March 28, 2022). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 3.4% (higher than 89% of all known vulnerabilities). Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Apr 18, 2022.
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows Server 2016 | (Server Core installation) |
| Microsoft | Windows 10 | 32-bit SystemsVersion 1607 for 32-bit SystemsVersion 1607 for x64-based SystemsVersion 1703 for 32-bit SystemsVersion 1703 for x64-based SystemsVersion 1709 for 32-bit SystemsVersion 1709 for x64-based SystemsVersion 1803 for 32-bit Systems |
| Microsoft | Windows 10 Servers | version 1709 (Server Core Installation)version 1803 (Server Core Installation) |
Weakness: CWE-404 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- 105012 vdb-entry, x_refsource_BID
- 1041461 vdb-entry, x_refsource_SECTRACK
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8406 x_refsource_CONFIRM
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8406 government-resource