Exploitation of CVE-2026-73570, an unauthenticated OS command injection in Zimbra, started shortly after patches rolled out.

“An attacker can send a specially crafted SMTP request that introduces untrusted input into SNMP notification processing,” Microsoft explained. “If the input is not sufficiently sanitized, embedded ...

Attackers were poking at a critical Zimbra mail server bug weeks before it was publicly disclosed, and then moved on to steal ...

Threat actors have already compromised over 270 Zimbra instances in remote code execution attacks targeting a high-severity Zimbra Collaboration Suite (ZCS) vulnerability. The ZCS email and ...

An update closes various vulnerabilities in Zimbra, which allow account takeover or the injection of malicious code, among other things.

CERT Polska, the Polish Computer Emergency Response Team (CERT), warned that attackers have begun exploiting a critical vulnerability in Zimbra Collaboration Suite (ZCS). ZCS is a popular email and ...

Attackers are actively exploiting a critical vulnerability in mail servers sold by Zimbra in an attempt to remotely execute malicious commands that install a backdoor, researchers warn. The ...

VMware and Zimbra on Tuesday launched a collaboration appliance and said their respective product lines are now integrated. Enterprise email provider Zimbra, the former Yahoo unit acquired by VMware ...

Free e-mail and calendar software Zimbra Desktop works online or off and doesn’t limit e-mail storage. If you’re looking for an alternative to Microsoft Outlook–or simply an email ...

Connecting to your work team's Zimbra calendars from Outlook provides several benefits, two of which involve time. First, it avoids the inconvenience of using an additional resource, i.e., a Web ...

Yahoo has been on an acquisition binge late, but mostly to expand its advertising business. Now Yahoo is buying its way deeper into the applications business with the acquisition of Zimbra for a ...

We’ll send you a myFT Daily Digest email rounding up the latest Microsoft Corp news every morning. Yahoo paid $350m for Zimbra, the web email and collaboration software company, last September, but ...