CVE-2026-40677

7.7 highEPSS 0.4%

High (7.7). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

7.7 high

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 37% of CVEs (scores of 2026-10-31)
Published: 2026-06-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-9027.html

Check your stack JSON