High severity · published Jun 12, 2026
CVE-2026-40677
The use of insecure HTTP transport within AMD optional tools could allow an attacker to conduct a man-in-the-middle attack, potentially leading to arbitrary code execution
7.7
CVSS
0.4%
EPSS
No
On KEV
Description
The use of insecure HTTP transport within AMD optional tools could allow an attacker to conduct a man-in-the-middle attack, potentially leading to arbitrary code execution.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AM
AMD Management Console (AMC) · AMD
All versions, or not specified · source: vendor
AR
AMD Ryzen™ Master · AMD
All versions, or not specified · source: vendor
AΜ
AMD µProf · AMD
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-40677
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-40677
www.amd.com
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-9027.html
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