Low severity · published May 15, 2026
CVE-2021-26380
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
1.8
CVSS
0.1%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AA
AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics · AMD
All versions, or not specified · source: vendor
AA
AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics · AMD
All versions, or not specified · source: vendor
AR
AMD Radeon™ Instinct™ MI25 · AMD
All versions, or not specified · source: vendor
AR
AMD Radeon™ PRO V520 · AMD
All versions, or not specified · source: vendor
AR
AMD Radeon™ PRO V620 · AMD
All versions, or not specified · source: vendor
AR
AMD Radeon™ PRO VII · AMD
All versions, or not specified · source: vendor
AR
AMD Radeon™ PRO W5000 Series Graphics Products · AMD
All versions, or not specified · source: vendor
AR
AMD Radeon™ PRO W6000 Series Graphics Products · AMD
All versions, or not specified · source: vendor
AR
AMD Radeon™ PRO WX 8000/9000 Series Graphics Cards · AMD
All versions, or not specified · source: vendor
AR
AMD Radeon™ RX 5000 Series Graphics Products · AMD
All versions, or not specified · source: vendor
AR
AMD Radeon™ RX 6000 Series Graphics Products · AMD
All versions, or not specified · source: vendor
AR
AMD Radeon™ RX Vega Series Graphics Cards · AMD
All versions, or not specified · source: vendor
Affected product
AA
AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics
AMD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-26380
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-26380
www.amd.com
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html
www.amd.com
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6027.html
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