Microsoft issued an advisory for CVE-2026-45850, a critical Linux kernel IPVS vulnerability affecting IPv6 checksum calculations. The flaw allows remote attackers to manipulate TCP, UDP, and SCTP checksums, enabling security bypasses and denial-of-service attacks in load-balanced environments. The vulnerability impacts Azure Linux workloads, WSL2 deployments, and systems running affected Linux kernels (4.15–6.6). Patches are available from kernel.org and Microsoft; immediate remediation is advised.
// Get alerts for Microsoft Azure