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High severity7.5NVD Advisory· Published Mar 10, 2026· Updated Jun 17, 2026

CVE-2026-26144

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

4
  • Microsoft/365 Apps2 versions
    cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*+ 1 more
    • cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
    • cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
  • Microsoft/Office Excelllm-fuzzy
  • Microsoft/Microsoft 365 Apps for Enterprisev5
    Range: 16.0.1

Patches

Vulnerability mechanics

References

1

News mentions

0

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