CVE-2026-26144

Severity
4.7MEDIUM
EPSS
0.1%
top 71.75%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMar 10

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

CVEListV5microsoft/microsoft_365_apps_for_enterprise16.0.1https://aka.ms/OfficeSecurityReleases

🔴Vulnerability Details

2
GHSA
GHSA-39m5-6xwx-6qjf: Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office Excel allows an unauthorized attacker to disc2026-03-10
CVEList
Microsoft Excel Information Disclosure Vulnerability2026-03-10

📋Vendor Advisories

1
Microsoft
Microsoft Excel Information Disclosure Vulnerability2026-03-10

🕵️Threat Intelligence

1
Wiz
CVE-2026-26144 Impact, Exploitability, and Mitigation Steps | Wiz