Patching the Mail Server Is the First Step. Now Check Whether You Were Already Hit.

CISA has added actively exploited Zimbra CVE-2026-73570 to its KEV catalogue with a 24 August deadline. Patch to 10.1.20, then check for prior compromise.

CISA has added actively exploited Zimbra CVE-2026-73570 to its KEV catalogue with a 24 August deadline. Patch to 10.1.20, then check for prior compromise.
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