ES
Email
Exchange Server
by Microsoft · last CVE Oct 13, 2026
On CISA KEVExploited in the wildRansomware-linked
258
CVEs
20
On KEV
9.8
Max CVSS
3
New 30D
Severity mix
Critical 23High 92Medium 66Low 0
Watch

Add Exchange Server to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2021-31207
RansomwareIn wildKEV
6.6
100%
May 11
Microsoft Exchange Server Security Feature Bypass Vulnerability
Affected: 15.01.0 before 15.01.2176.014
CVE-2026-42897
In wildKEV
6.1
71%
May 14
Microsoft Exchange Server Spoofing Vulnerability
Affected: 2016; 2016; 2016; 2016; 2016; 2016; +33 more
Showing 2