Fragnesia CVE-2026-46300: the new Dirty Frag variant Linux teams should patch before it matures
Microsoft's May 14 update introduced Fragnesia, a new Dirty Frag variant tracked as CVE-2026-46300. This alert explains how it differs from the original chain, why esp/xfrm matters, and what defenders should prioritize now.
Eng. Hussein Ali Al-AssaadMay 19, 20264 min read