AMD Ryzen 4000 Mobile Processors with Radeon Graphics AMD Chipset Driver default permission

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in AMD Ryzen 4000 Mobile Processors with Radeon Graphics, Ryzen 7035 Processors with Radeon Graphics, Athlon 3000 Mobile Processors with Radeon Graphics, Ryzen 7040 Mobile Processors with Radeon Graphics, Ryzen 7020 Processors with Radeon Graphics, Ryzen 7045 Mobile Processors with Radeon Graphics, Ryzen 7000 Desktop Processors, Ryzen 3000 Desktop Processors, Ryzen Threadripper PRO 3000 WX-Series Processors, Ryzen 7030 Mobile Processors with Radeon Graphics, Ryzen Threadripper 3000 Processors, Ryzen 9000HX Processors, Ryzen AI 300 Processors, Athlon 3000 Desktop Processors with Radeon Graphics, Ryzen Threadripper PRO 5000 WX-Series Processors, Ryzen Threadripper 7000 Processors, Ryzen Threadripper PRO 7000 WX-Series Processors, Ryzen 8000 Desktop Processors, Ryzen 9000 Desktop Processors, Ryzen 5000 Mobile Processors with Radeon Graphics, Ryzen 4000 Desktop Processors, Ryzen 5000 Desktop Processors, Ryzen 5000 Desktop Processors with Radeon Graphics, Ryzen 8040 Mobile Processors with Radeon Graphics, Ryzen 6000 Processors with Radeon Graphics, Ryzen AI Max 300 Processors, Ryzen AI 400 Processors, Ryzen Embedded R1000 Processors, Ryzen Embedded R2000 Processors, Ryzen Embedded V1000 Processors, Ryzen Embedded V2000 Processors, EPYC Embedded 8004 Processors, Ryzen Embedded 8000 Processors, Ryzen Embedded 7000 Processors, EPYC Embedded 9005 Processors, Ryzen Embedded 9000 Processors, EPYC 9004 Processors, EPYC 7003 Processors, EPYC 7002 Processors, EPYC 7001 Processors, EPYC 4004 Processors, EPYC 9005 Processors, Instinct MI300A Processors, EPYC 9V64H Processor, EPYC 8004 Processors and EPYC 4005 Processors. Affected by this vulnerability is an unknown functionality of the component AMD Chipset Driver. This manipulation causes default permission. This vulnerability is handled as CVE-2026-0432. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability was found in AMD Ryzen 4000 Mobile Processors with Radeon Graphics, Ryzen 7035 Processors with Radeon Graphics, Athlon 3000 Mobile Processors with Radeon Graphics, Ryzen 7040 Mobile Processors with Radeon Graphics, Ryzen 7020 Processors with Radeon Graphics, Ryzen 7045 Mobile Processors with Radeon Graphics, Ryzen 7000 Desktop Processors, Ryzen 3000 Desktop Processors, Ryzen Threadripper PRO 3000 WX-Series Processors, Ryzen 7030 Mobile Processors with Radeon Graphics, Ryzen Threadripper 3000 Processors, Ryzen 9000HX Processors, Ryzen AI 300 Processors, Athlon 3000 Desktop Processors with Radeon Graphics, Ryzen Threadripper PRO 5000 WX-Series Processors, Ryzen Threadripper 7000 Processors, Ryzen Threadripper PRO 7000 WX-Series Processors, Ryzen 8000 Desktop Processors, Ryzen 9000 Desktop Processors, Ryzen 5000 Mobile Processors with Radeon Graphics, Ryzen 4000 Desktop Processors, Ryzen 5000 Desktop Processors, Ryzen 5000 Desktop Processors with Radeon Graphics, Ryzen 8040 Mobile Processors with Radeon Graphics, Ryzen 6000 Processors with Radeon Graphics, Ryzen AI Max 300 Processors, Ryzen AI 400 Processors, Ryzen Embedded R1000 Processors, Ryzen Embedded R2000 Processors, Ryzen Embedded V1000 Processors, Ryzen Embedded V2000 Processors, EPYC Embedded 8004 Processors, Ryzen Embedded 8000 Processors, Ryzen Embedded 7000 Processors, EPYC Embedded 9005 Processors, Ryzen Embedded 9000 Processors, EPYC 9004 Processors, EPYC 7003 Processors, EPYC 7002 Processors, EPYC 7001 Processors, EPYC 4004 Processors, EPYC 9005 Processors, Instinct MI300A Processors, EPYC 9V64H Processor, EPYC 8004 Processors and EPYC 4005 Processors. It has been declared as critical. Affected by this vulnerability is some unknown processing of the component AMD Chipset Driver. The manipulation with an unknown input leads to a default permission vulnerability. The CWE definition for the vulnerability is CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Incorrect default permissions in the installation directory for the AMD chipset driver could allow an attacker to achieve privilege escalation resulting in arbitrary code execution.

It is possible to read the advisory at amd.com. This vulnerability is known as CVE-2026-0432 since 12/06/2025. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/15/2026). The attack technique deployed by this issue is T1222 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-30497). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Default permission
CWE: CWE-276 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

12/06/2025 CVE reserved
05/15/2026 +159 days Advisory disclosed
05/15/2026 +0 days VulDB entry created
05/15/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2026-0432 (🔒)
GCVE (CVE): GCVE-0-2026-0432
GCVE (VulDB): GCVE-100-364111
EUVD: 🔒

Entryinfo

Created: 05/15/2026 04:51
Updated: 05/15/2026 06:41
Changes: 05/15/2026 04:51 (65), 05/15/2026 06:41 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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