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CVE-2026-0432: CWE-276 Incorrect Default Permissions in AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics

0
High
VulnerabilityCVE-2026-0432cvecve-2026-0432cwe-276
Published: 05/15/2026 (05/15/2026, 01:46:24 UTC)
Source: CVE Database V5
Vendor/Project: AMD
Product: AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics

Description

CVE-2026-0432 is a high-severity vulnerability affecting AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics. It involves incorrect default permissions in the installation directory of the AMD chipset driver, which could allow a local attacker with limited privileges to escalate their privileges and execute arbitrary code. The vulnerability has a CVSS 4.0 base score of 8.5, indicating a significant risk. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.

CVSS v4.0

Score 8.5high

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected software

AMD

AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics

AMD

AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics

AMD

AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics

AMD

AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics

AMD

AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics

AMD

AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics

AMD

AMD Ryzen™ 7000 Series Desktop Processors

AMD

AMD Ryzen™ 3000 Series Desktop Processors

AMD

AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors

AMD

AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics

AMD

AMD Ryzen™ Threadripper™ 3000 Processors

AMD

AMD Ryzen™ 9000HX Series Processors

AMD

AMD Ryzen™ AI 300 Series Processors

AMD

AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics

AMD

AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors

AMD

AMD Ryzen™ Threadripper™ 7000 Processors

AMD

AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors

AMD

AMD Ryzen™ 8000 Series Desktop Processors

AMD

AMD Ryzen™ 9000 Series Desktop Processors

AMD

AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics

AMD

AMD Ryzen™ 4000 Series Desktop Processors

AMD

AMD Ryzen™ 5000 Series Desktop Processors

AMD

AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics

AMD

AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics

AMD

AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics

AMD

AMD Ryzen™ AI Max 300 Series Processors

AMD

AMD Ryzen™ AI 400 Series Processors

AMD

AMD Ryzen™ Embedded R1000 Series Processors

AMD

AMD Ryzen™ Embedded R2000 Series Processors

AMD

AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge")

AMD

AMD Ryzen™ Embedded V2000 Series Processors

AMD

AMD EPYC™ Embedded 8004 Series Processors

AMD

AMD Ryzen™ Embedded 8000 Series Processors

AMD

AMD Ryzen™ Embedded 7000 Series Processors

AMD

AMD EPYC™ Embedded 9005 Series Processors

AMD

AMD Ryzen™ Embedded 9000 Series Processors

AMD

AMD EPYC™ 9004 Series Processors

AMD

AMD EPYC™ 7003 Series Processors

AMD

AMD EPYC™ 7002 Series Processors

AMD

AMD EPYC™ 7001 Series Processors

AMD

AMD EPYC™ 4004 Series Processors

AMD

AMD EPYC™ 9005 Series Processors

AMD

AMD Instinct™ MI300A Series Processors

AMD

AMD EPYC™ 9V64H Processor

AMD

AMD EPYC™ 8004 Series Processors

AMD

AMD EPYC™ 4005 Series Processors

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/22/2026, 15:30:47 UTC

Technical Analysis

This vulnerability (CVE-2026-0432) arises from incorrect default permissions set on the installation directory of the AMD chipset driver for Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics. Because of these permissions, an attacker with local access and limited privileges could potentially escalate their privileges to execute arbitrary code on the affected system. The CVSS 4.0 vector indicates the attack requires local access with low complexity and no user interaction, with high impact on confidentiality, integrity, and availability. No official remediation or patch has been documented yet.

Potential Impact

If exploited, this vulnerability could allow a local attacker to escalate privileges and execute arbitrary code, potentially compromising the affected system's confidentiality, integrity, and availability. However, there are no known exploits in the wild currently. The impact is significant given the high CVSS score and the nature of privilege escalation.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, limit local access to trusted users only and monitor for suspicious activity related to the AMD chipset driver installation directory permissions.

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Technical Details

Data Version
5.2
Assigner Short Name
AMD
Date Reserved
2025-12-06T13:53:34.788Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6a06e219ec166c07b0e8e796

Added to database: 05/15/2026, 09:06:33 UTC

Last enriched: 05/22/2026, 15:30:47 UTC

Last updated: 10/02/2026, 09:15:19 UTC

Views: 142

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