HIGH 7.5 Microsoft
CVE-2026-26144
Microsoft Excel Information Disclosure Vulnerability
Microsoft Security Update 2026-Mar: Microsoft Excel Information Disclosure Vulnerability
Affected Products
- Microsoft 365 Apps for Enterprise for 64-bit Systems
- Microsoft 365 Apps for Enterprise for 32-bit Systems
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26144
- https://nvd.nist.gov/vuln/detail/CVE-2026-26144
This high severity vulnerability with a CVSS score of 7.5 was published on 2026-03-10 via Microsoft. Affected: Microsoft 365 Apps for Enterprise for 64-bit Systems, Microsoft 365 Apps for Enterprise for 32-bit Systems.
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