Vulnerability Intelligence Report
AMD Chipset Driver Information Disclosure Vulnerability
CVE-2021-26334
The AMDPowerProfiler.sys driver of AMD μProf tool may allow lower privileged users to access MSRs in kernel which may lead to privilege escalation and ring-0 code execution by the lower privileged user.
No Active Exploit Signals
CVSS Base Score
9.9
CRITICAL
EPSS Probability:1.17%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-284 ↗CWE-284 Improper Access Control
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| AMD | μProf Tool | μProf Tool < 3.4.494 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
1.170%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Advanced Micro Devices Inc. · Vendor · USA |
| Reserved | 2021-01-29T00:00:00 |
| Published | 2021-12-01T15:43:24 |
| Patch Date | 2021-11-09 |
| Last Updated | 2024-09-17T00:40:38 |
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