Vulnerability · Published Dec 1, 2021 · Assigned by AMD
CVE-2021-26334AMD Chipset Driver Information Disclosure Vulnerability
Critical 9.9
In plain English
A critical-severity improper access control in μProf Tool from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).
Severity (CVSS NVD)9.9Critical
Exploit odds (30 days)1.2%top 31.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | μProf Tool | μProf Tool – before 3.4.494 |
Weakness: CWE-284