CVE-2026-40677 HIGH

CVE-2026-40677

Weakness CWE-1428
Published June 12, 2026
Last update June 13, 2026

CVSS base score

7.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 12, 2026 CVE published
June 13, 2026 Record updated