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Comodo CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

HIGH Comodo CVE published 2026-06-07

CVE-2026-49494

CVE-2026-49494 is a HIGH-severity vulnerability in Comodo Internet Security's firewall driver Inspect.sys. The vulnerability is caused by an integer underflow in the IPv6 packet parser, which can be triggered by a remote, unauthenticated attacker sending a crafted IPv6 packet. This can lead to a system crash (BSOD) at DISPATCH_LEVEL in the Windows kernel.