CVE-2021-26334 is a critical privilege escalation vulnerability affecting the AMDPowerProfiler.sys driver within AMD μProf tools on Windows and Linux systems. A lower-privileged user can exploit this flaw to access Model-Specific Registers (MSRs) in the kernel, potentially leading to ring-0 code execution. With a CVSS score of 9.9, this vulnerability is easily exploitable over the network with low privileges and no user interaction, allowing for complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, the vulnerability has garnered some community discussion and media coverage, indicating awareness of its potential impact.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.4.494CPE matchmatch criteria | cpe:2.3:a:amd:amd_uprof:*:*:*:*:*:*:*:* | ||
< 3.4.502CPE matchmatch criteria | cpe:2.3:a:amd:amd_uprof:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 1.0 Bluesky, 0.5 Mastodon, and 1.6 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.