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CVE-2026-44818

Microsoft Excel Remote Code Execution Vulnerability PUBLISHED

Description (CNA)

No English CNA description was supplied.

Affected (CNA)

Vendor / product	Versions
Microsoft / Microsoft 365 Apps for Enterprise	affected 16.0.1 before https://aka.ms/OfficeSecurityReleases
Microsoft / Microsoft Excel 2016	affected 16.0.0.0 before 16.0.5556.1001
Microsoft / Microsoft Office 2019	affected 19.0.0 before https://aka.ms/OfficeSecurityReleases
Microsoft / Microsoft Office 365 for Mac	affected 1.0.0 before 16.110.26061317
Microsoft / Microsoft Office LTSC 2021	affected 16.0.1 before https://aka.ms/OfficeSecurityReleases
Microsoft / Microsoft Office LTSC 2024	affected 16.0.0 before https://aka.ms/OfficeSecurityReleases
Microsoft / Microsoft Office LTSC for Mac 2021	affected 16.0.1 before 16.110.26061317
Microsoft / Microsoft Office LTSC for Mac 2024	affected 16.0.0 before 16.110.26061317
Microsoft / Office Online Server	affected 16.0.0.0 before 16.0.10417.20137

CWE

CWE-362

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44818

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.