CVE-2025-52533: Improper AC in On-Chip Debug Interface
CVE-2025-52533 Published on February 12, 2026

Improper Access Control in an on-chip debug interface could allow a privileged attacker to enable a debug interface and potentially compromise data confidentiality or integrity.

NVD

Weakness Type

Exposed Chip Debug and Test Interface With Insufficient or Missing Authorization

The chip does not implement or does not correctly check whether users are authorized to access internal registers.

Affected Versions

AMD EPYC™ 7003 Series Processors:

Version MilanPI 1.0.0.G is unaffected.

AMD EPYC™ 7002 Series Processors:

Version No Fix Planned is affected.

AMD EPYC™ 7001 Series Processors:

Version No Fix Planned is affected.

AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ Threadripper™ 7000 Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ AI Max 300 Series Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ 2000 Mobile Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ 3000 Series Desktop Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ 5000 Series Desktop Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ Z2 Series Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ Z2 Series Processors Go:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ AI 300 Series Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ 4000 Series Desktop Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ Z1 Series Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ 7000 Series Desktop Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ 8000 Series Desktop Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD EPYC™ Embedded 3000 Series Processors:

Version No fix planned is affected.

AMD EPYC™ Embedded 7002 Series Processors:

Version No fix planned is affected.

AMD EPYC™ Embedded 7003 Series Processors:

Version EmbMilanPI-SP3 v9 1.0.0.C is unaffected.

AMD Ryzen™ Embedded 8000 Series Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ Embedded R1000 Series Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ Embedded R2000 Series Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ Embedded 7000 Series Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ Embedded 5000 Series Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Picasso"):

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ Embedded V2000 Series Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

AMD Ryzen™ Embedded V3000 Series Processors:

Version Update to Key Distribution Server (KDS) is unaffected.

Exploit Probability

EPSS

0.05%

Percentile

15.94%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.

CVE-2025-52533: Improper AC in On-Chip Debug InterfaceCVE-2025-52533 Published on February 12, 2026

Weakness Type

Exposed Chip Debug and Test Interface With Insufficient or Missing Authorization

Affected Versions

Exploit Probability

CVE-2025-52533: Improper AC in On-Chip Debug Interface
CVE-2025-52533 Published on February 12, 2026