[dos] Nmap 7.99 - Extension Header Integer Underflow
A proof-of-concept denial-of-service exploit for Nmap 7.99 leverages an integer underflow in extension header parsing to crash the scanner.
Exploit-DB lists a denial-of-service proof of concept targeting Nmap version 7.99. The flaw is an integer underflow when handling extension headers, which can crash the scanner. No exploitation in the wild or patch details are mentioned in the listing.
Critical RCE flaw in Windows IKE Extension now actively exploited
CISA warns CVE-2026-33824, a critical unprivileged RCE in Windows IKE Extension, is now actively exploited.
CVE-2026-33824 is a critical remote code execution vulnerability in the Windows IKE Extension affecting all supported Windows 10, Windows 11, and Windows Server releases. The flaw allows unprivileged attackers to gain code execution on affected systems. CISA has flagged the vulnerability as actively exploited in attacks, indicating a KEV addition and urgent patching priority for Windows environments.