CISA SAYS ATTACKERS ARE EXPLOITING TWO CRITICAL CITRIX NETSCALER FLAWS GLOBALLY

Summary from the TLDR InfoSec newsletter

CISA added CVE-2026-88771 and CVE-2026-88772 to its KEV catalog after confirming global exploitation. Both have CVSS scores of 9.5. The flaws enable unauthenticated command execution, remote code execution, or denial of service. CVE-2026-88772 requires DTLS, which VPN virtual servers enable by default. Administrators should patch, inspect for compromise, isolate affected appliances, revoke access, rotate secrets, and investigate connected systems.