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ZC
Product
Zimbra Collaboration Suite
by Synacor · last CVE Aug 13, 2026
On CISA KEVExploited in the wildRansomware-linked
89
CVEs
18
On KEV
9.8
Max CVSS
0
New 30D
Vulnerabilities89In the news12Timeline
Severity mix
Critical 12High 19Medium 55Low 1
Severity
All severities89Critical12High19Medium55Low1
Exploitation
On CISA KEV18Exploited in the wild18
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-73575
3.5
0%
Aug 13
In Zimbra Collaboration (ZCS) before 10.1.17, a Cross-Site Request Forgery (CSRF) vulnerability exists in the Exchange Web Services (EWS) endpoint of Zimbra Collaboration (ZCS)…
Affected: before 10.1.17
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