Critical severity9.8NVD Advisory· Published Sep 16, 2026· Updated Sep 18, 2026
CVE-2026-91843
CVE-2026-91843
Description
A stack overflow during the unauthenticated login process may allow an attacker to run arbitrary code remotely with root privileges.
Patches
Vulnerability mechanics
References
1News mentions
7- Check Point Warns of Management Server Zero-Day Exploited in Targeted AttacksThe Hacker News · Sep 22, 2026
- 21st September – Threat Intelligence ReportCheck Point Research · Sep 21, 2026
- ⚡ Weekly Recap: Cisco 0-Day, AI Agent RCE, ClickFix Attacks, ClickFix Surge, and Browser HijacksThe Hacker News · Sep 21, 2026
- Weekly Cybersecurity Newsletter Bulletin – Cisco and Android 0-Day, BragJack Attack, Claude Opus 5 Used to Hack OpenAI, and 20+ StoriesCyber Security News · Sep 21, 2026
- Check Point, Kaspersky, Tanium Patch Product VulnerabilitiesSecurityWeek · Sep 18, 2026
- Critical Check Point Management Flaw Lets Unauthenticated Attackers Run Code as RootThe Hacker News · Sep 17, 2026
- Check Point Vulnerability Lets Remote Hackers Gain Root Access Without AuthenticationCyber Security News · Sep 16, 2026