CVE-2026-26144

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/10/2026

Last Modified3/13/2026

Sourcenvd

Honeypot Sightings0

Affected Products

microsoft:365_apps

Weaknesses (CWE)

CWE-79

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26144(secure@microsoft.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.