AI Summary

CISA added the Zimbra Collaboration Suite OS command‑injection flaw (CVE‑2026‑73570) to its Known Exploited Vulnerabilities catalog after confirming active exploitation. The addition triggers requirements under Binding Operational Directive 26‑04, which obligates Federal Civilian Executive Branch agencies to prioritize rapid remediation of high‑risk, publicly exposed CVEs listed in the KEV catalog and to verify whether systems were compromised before patching.

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