MO
Product
Microsoft Office LTSC 2021
by Microsoft · last CVE Oct 15, 2026
On CISA KEVExploited in the wild
493
CVEs
9
On KEV
9.8
Max CVSS
153
New 30D
Severity mix
Critical 11High 336Medium 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-2026-50665
3.3
1%
Jul 14
Microsoft Office Information Disclosure Vulnerability
Affected: 16.0.1 before https://aka.ms/OfficeSecurityReleases
CVE-2026-55139
3.3
0%
Jul 14
Microsoft Office Information Disclosure Vulnerability
Affected: 16.0.1 before https://aka.ms/OfficeSecurityReleases
CVE-2026-55035
3.3
1%
Jul 14
Microsoft Office Information Disclosure Vulnerability
Affected: 16.0.1 before https://aka.ms/OfficeSecurityReleases
CVE-2026-56193
3.3
0%
Jul 14
Microsoft Office Information Disclosure Vulnerability
Affected: 16.0.1 before https://aka.ms/OfficeSecurityReleases
CVE-2026-50678
3.3
0%
Jul 14
Microsoft Excel Information Disclosure Vulnerability
Affected: 16.0.1 before https://aka.ms/OfficeSecurityReleases
CVE-2026-45466
3.3
0%
Jun 9
Microsoft Word Information Disclosure Vulnerability
Affected: 16.0.1 before https://aka.ms/OfficeSecurityReleases
CVE-2026-45485
3.3
0%
Jun 9
Microsoft Office Information Disclosure Vulnerability
Affected: 16.0.1 before https://aka.ms/OfficeSecurityReleases
Showing 7