CVE-2026-16661

creationtimestamp| type| source ---|---|--- 2026-08-28 16:07:09+00:00| seen| https://bsky.app/profile/cyberhub.blog/post/3mu5qmhne2r2h...

Security Bulletin: This Power System update is being released to address CVE-2026-16661

Summary Power Systems Firmware is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can exploit this vulnerability, allowing arbitrary code to be executed in the host firmware runtime, giving full control over th...