90 CVEs
Microsoft Office Online Server Vulnerabilities
CVE security advisories and vulnerability history for Microsoft Office Online Server by Microsoft.
90
Total CVEs
Published
0
In CISA KEV
Exploited in the wild
2
Public exploits
With known exploit
7.4
Avg CVSS
2018–2025
Last updated
Overview
Microsoft Office Online Server has 90 published CVE records since 2018, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 2 have a known public exploit. The average CVSS base score across scored CVEs is 7.4.
This page aggregates every publicly disclosed vulnerability (CVE) affecting Microsoft Office Online Server, with a severity breakdown, the affected and patched versions, the most common weakness types, and the full CVE list. Affected platforms include Unknown.