Cyber Resilience

CVE-2026-46230

HighUpdated

Published: 28 May 2026

Published
28 May 2026
Modified
10 June 2026
KEV Added
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Patch
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CVSS Score v3.1 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS Score 0.0012 2.3th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-46230 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Linux Linux Kernel. Its CVSS base score is 7.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 2.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn3: Prevent OOB reads when parsing dec msg Check bounds against the end of the BO whenever we access the msg.

CWE(s)
CWE-125

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
attack.mitre.org →
T1212 Exploitation for Credential Access Credential Access
Adversaries may exploit software vulnerabilities in an attempt to collect credentials.
attack.mitre.org →
Why these techniques?

OOB read in kernel GPU driver enables info leaks usable for privilege escalation or credential access during exploitation.

Confidence: MEDIUM · MITRE ATT&CK Enterprise v18.1

Affected Assets

linux
linux kernel
5.13 — 5.15.209 · 5.16 — 6.1.175 · 6.2 — 6.6.140

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References