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Exploited Zimbra Flaw Highlights Shrinking Window to Patch

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Exploited Zimbra Flaw Highlights Shrinking Window to Patch

CISA issued a three-day deadline for federal agencies to patch CVE-2026-73570, a Zimbra vulnerability enabling full takeover of user communications. The flaw has been exploited in the wild and poses immediate risk to agency email and collaboration systems.

Why it matters: Federal agencies and organizations running Zimbra must patch immediately; this vulnerability is actively exploited and grants attackers complete access to email and communications.

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