CVE-2024-36347
Advisory lineage Upstream: 0 Downstream: 21
Deferred
Published: 27 Jun 2025, 22:14
Last modified:26 Feb 2026, 17:50
Vulnerability Summary
Overall Risk (default)
medium
26/100 CVSS Score
6.4 MEDIUM
v3.1 (cve.org)
EPSS Score
0.02% LOW
0% probability +0.02%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
27 Jun 2025, 22:14
Published
Vulnerability first disclosed
26 Feb 2026, 17:50
Last Modified
Vulnerability information updated
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 Metrics
- v3.1•MEDIUM•Score: 6.4CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Trends
Current EPSS score: 0.02%• Percentile: 7%
Techniques & Countermeasures
- CWE-347•Improper Verification of Cryptographic Signature
The product does not verify, or incorrectly verifies, the cryptographic signature for data.