Unrated severityNVD Advisory· Published Mar 10, 2026· Updated Apr 14, 2026

Microsoft Excel Information Disclosure Vulnerability

CVE-2026-26144

Description

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

Affected products

Microsoft/Office Excelllm-fuzzy
Microsoft/Microsoft 365 Apps for Enterprisev5
Range: 16.0.1

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26144mitrevendor-advisorypatch

News mentions

No linked articles in our index yet.

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