MO
Product
Microsoft Office LTSC 2021
by Microsoft · last CVE Oct 15, 2026
On CISA KEVExploited in the wild
499
CVEs
9
On KEV
9.8
Max CVSS
153
New 30D
Severity mix
Critical 11High 342Medium 139Low 7
Watch

Add Microsoft Office LTSC 2021 to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2024-21413
In wildKEV
9.8
95%
Feb 13
Microsoft Outlook Remote Code Execution Vulnerability
Affected: 16.0.1 before https://aka.ms/OfficeSecurityReleases
CVE-2023-23397
In wildKEV
9.8
97%
Mar 14
Microsoft Outlook Elevation of Privilege Vulnerability
Affected: 16.0.1 before https://aka.ms/OfficeSecurityReleases
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