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Actively exploited · Published Aug 15, 2018 · Assigned by microsoft

CVE-2018-8405

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.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)3.4%top 10.9% of all CVEs
Exploited in the wildYesCISA KEV since Mar 28, 2022
Attack toolingNoneno public tooling known

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 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.

Affected products (as reported)

VendorProductVersions
Microsoft Windows Server 2012 R2 (Server Core installation)
Microsoft Windows RT 8.1 Windows RT 8.1
Microsoft Windows Server 2016 (Server Core installation)
Microsoft Windows 8.1 32-bit systemsx64-based systems
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