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Vulnerability · Published May 15, 2026 · Assigned by AMD

CVE-2021-26380

Low 1.8

In plain English

A low-severity integer overflow in AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).

Severity (CVSS 4.0)1.8Low
Exploit odds (30 days)0.1%top 99.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A compromised Trusted OS (TOS) driver could issue a malformed call that could potentially allow memory access outside the intended range resulting in loss of integrity.

Affected products (as reported)

VendorProductVersions
AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors see references
AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics see references
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ 3000 Series Desktop Processors see references
AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ 4000 Series Desktop Processors see references
AMD AMD Ryzen™ 5000 Series Desktop Processors see references
AMD AMD Ryzen™ Embedded R1000 Series Processors see references
AMD AMD Ryzen™ Embedded R2000 Series Processors see references
AMD AMD Ryzen™ Embedded 5000 Series Processors see references
AMD AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge") see references
AMD AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Picasso") see references
AMD AMD Ryzen™ Embedded V2000 Series Processors see references
AMD AMD Ryzen™ Embedded V3000 Series Processors see references
AMD AMD Radeon™ RX 5000 Series Graphics Products see references
AMD AMD Radeon™ PRO W5000 Series Graphics Products see references
AMD AMD Radeon™ RX 6000 Series Graphics Products see references
AMD AMD Radeon™ RX Vega Series Graphics Cards see references
AMD AMD Radeon™ VII see references
AMD AMD Radeon™ PRO W6000 Series Graphics Products see references
AMD AMD Radeon™ PRO WX 8000/9000 Series Graphics Cards see references
AMD AMD Radeon™ PRO VII see references
AMD AMD Radeon™ Instinct™ MI25 see references
AMD AMD Radeon™ PRO V520 see references
AMD AMD Radeon™ PRO V620 see references

Weakness: CWE-190 · Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

References