CVE intelligence

CVE-2026-68446

Vulnerability intelligence

Published Aug 12, 2026Sources checked Oct 28, 2026

7.8HIGHCVSS out of 10

What this means

Review the available evidence

CVE-2026-68446 and is rated High severity with a CVSS score of 7.8. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Microsoft Security Response Center guidance

Vendor revision: Aug 14, 2026

CBL-Mariner Releases

Vendor-listed releases

6.6.150.1-1

CISA KEVNot listedBased on the latest collected catalog

EPSS0.1%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-68446?

In the Linux kernel, the following vulnerability has been resolved:

drm/vmwgfx: Validate vmw_surface_metadata::array_size

This field comes from userspace and should be validated against specific limits depending on which Shader Model (SM) is available.

Source: NVD