SB2026031093 - Information disclosure in Microsoft MapUrlToZone



SB2026031093 - Information disclosure in Microsoft MapUrlToZone

Published: March 10, 2026

Security Bulletin ID SB2026031093
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Resolution of Path Equivalence (CVE-ID: CVE-2026-23674)

CWE-ID: CWE-41 - Improper Resolution of Path Equivalence

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper resolution of path equivalence in MapUrlToZone. A remote attacker can bypass the MapURLToZone method and gain access to sensitive information on the system.


Remediation

Install update from vendor's website.