# Code-execution flaw in UEFI firmware affects most servers on planet Earth

**Published:** October 27, 2026
**Author:** Dan Goodin
**Source:** Ars Technica — AI
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/articles/code-execution-flaw-in-uefi-firmware-affects-most-servers-on-planet-eart

Defenders across the world face the burden of responding to yet another botched code-execution vulnerability, this time in boot-time firmware used by most of the world’s server vendors and data centers. The vulnerability, with a severity rating of 9.5 out of 10, resides in the…

> From the original source: **Ars Technica — AI**
> [Read full article at Ars Technica — AI](https://arstechnica.com/security/2026/10/code-execution-flaw-in-uefi-firmware-threatens-most-servers-on-planet-earth/)

**Tags:** #Microsoft #Дата-центры & ЦОД

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