CVE-2026-26144
CVE-2026-26144
7.5
HighPublished:
Last updated:
Source:secure@microsoft.com
Analyzed
Weakness (CWE)
CVSS Vector
v3.1- Attack Vector
- Network
- Attack Complexity
- Low
- Privileges Required
- None
- User Interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
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.
References
secure@microsoft.com
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26144