Medium severity · published Jun 27, 2025
CVE-2024-36347
Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious microcode, potentially resulting…
6.4
CVSS
0.1%
EPSS
No
On KEV
Description
Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious microcode, potentially resulting in loss of integrity of x86 instruction execution, loss of confidentiality and integrity of data in x86 CPU privileged context and compromise of SMM execution environment.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
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
AE
AMD EPYC™ 4004 Series · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ 7001 Series · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ 7002 Series · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ 7003 Series · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ 9004 Series · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ 9005 Series · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ Embedded 3000 · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ Embedded 7002 · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ Embedded 7003 · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ Embedded 8004 · 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-2024-36347
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-36347
www.amd.com
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7033.html
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