CVE-2026-10643: Zephyr (3.6.0 – 4.4.0) HIGH severity bug enables out-of-bounds kernel heap writes via recvmsg() with IP_PKTINFO. Local users can exploit for memory corruption or escalation. Patch pending — check advisories. https://radar.offseq.com/threat/cve-2026-10643-bounds-in-zephyrproject-zephyr-e3c8c9055812b105 #OffSeq #Zephyr #CVE202610643 #infosec