Four-Byte Write and Timing Bug Let Researchers Run Code in Windows SmartScreen Enclave
Doyensec showed patched CVE-2026-83498 can run code inside Windows SmartScreen’s VBS enclave.
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The skb that wasn't freed - the Fragnesia primitive via Open vSwitch
Doyensec details CVE-2026-90049 in Open vSwitch, enabling deterministic Linux kernel local privilege escalation on default major distribution installs.