Vulnerability · Published May 12, 2022 · Assigned by AMD

CVE-2021-26386

High 7.8

In plain English

A high-severity security flaw in Athlon™ Series from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.3%top 79.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call to the Stage 2 Bootloader potentially leading to corrupt memory and code execution.

Affected products (as reported)

VendorProductVersions
AMD Ryzen™ Series various
AMD Athlon™ Series various

References