240 CVEs
20 in CISA KEV
Microsoft exchange server Vulnerabilities
CVE security advisories and vulnerability history for exchange server by Microsoft.
240
Total CVEs
Published
20
In CISA KEV
Exploited in the wild
44
Public exploits
With known exploit
7.9
Avg CVSS
1999–2026
Last updated
Overview
Microsoft exchange server has 240 published CVE records since 1999, of which 20 are in CISA's Known Exploited Vulnerabilities catalog and 44 have a known public exploit. The average CVSS base score across scored CVEs is 7.9.