CVE-2026-42897
KEVMicrosoft Exchange Server Cross-Site Scripting Vulnerability
8.1
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
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Description
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
References
secure@microsoft.com
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42897134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42897