Mar 2026: Microsoft Excel Information Disclosure Vulnerability
CVE-2026-26144 Published on March 10, 2026
Microsoft Excel Information Disclosure Vulnerability
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.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2026-26144 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2026-26144
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Affected Versions
Microsoft 365 Apps for Enterprise:- Version 16.0.1 and below https://aka.ms/OfficeSecurityReleases is affected.