Microsoft Windows MapUrlToZone Security Feature Bypass Vulnerability

Vulnerability

A vulnerability has been identified in the Windows MapUrlToZone function, which improperly resolves path equivalence. This flaw allows an unauthorized attacker to bypass a security feature over the network. The vulnerability affects all supported versions of Microsoft Windows.

Impact

Exploitation of this vulnerability could lead to a security feature bypass, allowing attackers to manipulate how URLs are treated by the operating system, potentially leading to other security issues.

Remediation

Users can apply the security update for this vulnerability, which is available through the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles related to this vulnerability.

Added: Sep 9, 2025, 6:33 PM
Updated: Sep 9, 2025, 6:33 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
1.3
exploitability
4.4
remediation
7.7
relevance
0.5
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.