CVE-2026-0465 - Vulnerability Details - OpenCVE

A Use‑After‑Free (UAF) vulnerability in the AMD Ryzen™ Master Utility Driver could allow a local attacker to access kernel memory, potentially resulting in loss of availability

Attack Vector Local

Attack Complexity Low

Privileges Required High

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00114.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products

References

Link	Providers
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-9020.html

History

Wed, 12 Aug 2026 21:45:00 +0000

Type	Values Removed	Values Added
Title		Local Use‑After‑Free in AMD Ryzen Master Utility Driver Allows Kernel Memory Access

Wed, 12 Aug 2026 14:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 11 Aug 2026 17:45:00 +0000

Type	Values Removed	Values Added
Description		A Use‑After‑Free (UAF) vulnerability in the AMD Ryzen™ Master Utility Driver could allow a local attacker to access kernel memory, potentially resulting in loss of availability
Weaknesses		CWE-416
References		https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-9020.html
Metrics		cvssV4_0 `{'score': 5.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2026-08-11T17:11:03.351Z

Updated: 2026-08-12T13:13:14.985Z

Reserved: 2025-12-06T15:11:21.451Z

Link: CVE-2026-0465

Vulnrichment

Updated: 2026-08-12T13:13:11.472Z

NVD

Status : Awaiting Analysis

Published: 2026-08-11T18:17:17.710

Modified: 2026-08-12T20:50:58.370

Link: CVE-2026-0465

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-08-12T21:30:07Z

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