What is CVE-2026-0466?

CVE-2026-0466 is a medium-severity vulnerability in Amd Μprof, classified under Exposure of Sensitive System Information to an Unauthorized Control Sphere. CVSS score: 5.5/10. Published 2026-06-09.

How severe is CVE-2026-0466?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Amd Μprof

CVE-2026-0466

Improper access control in AMD uProf may allow a local attacker with user privileges to write to the kernel-shared memory section, potentially resulting in crash or denial of service.

EPSS: 0.001 (1.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Amd Μprof — versions 5.3
Amd Uprof

Weakness classification (CWE)

CWE-497 — Exposure of Sensitive System Information to an Unauthorized Control Sphere

References

psirt@amd.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-0466?: CVE-2026-0466 is a medium-severity vulnerability in Amd Μprof, classified under Exposure of Sensitive System Information to an Unauthorized Control Sphere. CVSS score: 5.5/10. Published 2026-06-09.
How severe is CVE-2026-0466?: Medium severity. CVSS v3 base score is 5.5 out of 10.