CVE-2026-22163

GPU DDK - Unsafe writing of MMU PT entries on systems with 32-bit host CPU

HIGH
7.8
CVSS Score
Published: March 20, 2026 at 10:52 PM UTC
Updated: June 17, 2026 at 10:19 AM UTC
2 products affected across 2 vendorsDdkGraphics DDK

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Severity
HIGH7.8
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

Requires malware code to misuse the DDK kernel module IOCTL interface. Such code can use the interface in an unsupported way that allows subversion of the GPU to perform writes to arbitrary physical memory pages. The product utilises a shared resource in a concurrent manner but does not attempt to synchronise access to the resource.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

24.1 RTM ≤ v ≤ 24.2 RTM25.1 RTM ≤ v ≤ 25.3 RTM1.17 RTM1.18 RTM23.2 RTM24.1 RTM25.1 RTM
Vendor states this is fixed in 26.1 RTM (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-820

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