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.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
AMD AMD Ryzen™ Master affected
Version Status Constraints
3.1.1.5502 unaffected —
AMD AMD Ryzen™ Master Monitoring SDK affected
Version Status Constraints
3.1.1.5478 unaffected —

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Project Subscriptions

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

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
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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

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

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

Link: CVE-2026-0465

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-0465

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses