Check Point patches critical root RCE bug in Security Management Server, Log Server
Check Point has issued security updates for CVE-2026-91843, a stack-based buffer overflow in the login process of its Security Management Server and Log Server products. The flaw allows unauthenticated attackers to remotely execute code with root privileges in low-complexity attacks requiring no user interaction. Check Point says it isn't aware of active exploitation but has provided detection guidance and interim mitigations for customers who can't immediately apply the fix.