Is Windows 11 24h2 affected by CVE-2026-23674?

CVE-2026-23674 is a HIGH severity vulnerability affecting Windows systems that allows attackers to bypass critical security zone protections, potentially enabling unauthorized access to sensitive resources over the network.

CVE-2026-23674

HIGH

2026-03-10 [email protected]

7.5

CVSS 3.1

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Mar 10, 2026 - 18:18 nvd

HIGH 7.5

Description

Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to bypass a security feature over a network.

Analysis

Windows MapUrlToZone security bypass in Windows 11 24H2, Windows 10 21H2, and Windows Server 2016/2025 allows unauthenticated remote attackers to circumvent zone-based security restrictions through improper path equivalence resolution. An attacker can exploit this network-accessible vulnerability without user interaction to bypass intended access controls. …

Remediation

Within 24 hours: Inventory all Windows systems using MapUrlToZone functionality and assess exposure in your environment. Within 7 days: Implement network segmentation to restrict untrusted network access to affected systems and enable enhanced logging for zone-related security events. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +38

POC: 0

CVE-2026-23674 vulnerability details – vuln.today

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CVE-2026-23674

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CVE-2026-23674

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Lifecycle Timeline

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