
CISA Orders Urgent Patching of Actively Exploited Zimbra Vulnerability
The Cybersecurity and Infrastructure Security Agency (CISA) issued an emergency directive on August 24, 2026, ordering federal agencies to patch an actively exploited vulnerability in Zimbra Collaboration Suite within three days. Tracked as CVE-2026-73570, the critical flaw enables remote code execution and poses an immediate threat to government network security....








