High severity · published Jun 1, 2026
CVE-2021-46747
Insufficient granularity of access control in ASP (AMD Secure Processor) may allow an attacker with an untrusted user space application to map sensitive SMN (System Management…
7.1
CVSS
0.1%
EPSS
No
On KEV
Description
Insufficient granularity of access control in ASP (AMD Secure Processor) may allow an attacker with an untrusted user space application to map sensitive SMN (System Management Network) apertures leading to a potential escalation of privileges.
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™ 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 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 W7000 Series Graphics Products · 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 7000 Series Graphics Products · AMD
All versions, or not specified · source: vendor
AR
AMD Ryzen™ 3000 Series Desktop Processors · AMD
All versions, or not specified · source: vendor
AR
AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics · 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-2021-46747
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-46747
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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