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CVE-2026-23674: CWE-41: Improper Resolution of Path Equivalence in Microsoft Windows 10 Version 1607

0
High
VulnerabilityCVE-2026-23674cvecve-2026-23674cwe-41
Published: 03/10/2026 (03/10/2026, 17:05:11 UTC)
Source: CVE Database V5
Vendor/Project: Microsoft
Product: Windows 10 Version 1607

Description

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

CVSS v3.1

Score 7.5high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Affected software

Microsoft

Windows 10 Version 1607

Affected versions
>=10.0.14393.0 <10.0.14393.8957

Microsoft

Windows 10 Version 1809

Affected versions
>=10.0.17763.0 <10.0.17763.8511

Microsoft

Windows 10 Version 21H2

Affected versions
>=10.0.19044.0 <10.0.19044.7058

Microsoft

Windows 10 Version 22H2

Affected versions
>=10.0.19045.0 <10.0.19045.7058

Microsoft

Windows 11 version 22H3

Affected versions
>=10.0.22631.0 <10.0.22631.6783

Microsoft

Windows 11 Version 23H2

Affected versions
>=10.0.22631.0 <10.0.22631.6783

Microsoft

Windows 11 Version 24H2

Affected versions
>=10.0.26100.0 <10.0.26100.8037

Microsoft

Windows 11 Version 25H2

Affected versions
>=10.0.26200.0 <10.0.26200.8037

Microsoft

Windows 11 version 26H1

Affected versions
>=10.0.28000.0 <10.0.28000.1719

Microsoft

Windows Server 2012

Affected versions
>=6.2.9200.0 <6.2.9200.25973

Microsoft

Windows Server 2012 (Server Core installation)

Affected versions
>=6.2.9200.0 <6.2.9200.25973

Microsoft

Windows Server 2012 R2

Affected versions
>=6.3.9600.0 <6.3.9600.23074

Microsoft

Windows Server 2012 R2 (Server Core installation)

Affected versions
>=6.3.9600.0 <6.3.9600.23074

Microsoft

Windows Server 2016

Affected versions
>=10.0.14393.0 <10.0.14393.8957

Microsoft

Windows Server 2016 (Server Core installation)

Affected versions
>=10.0.14393.0 <10.0.14393.8957

Microsoft

Windows Server 2019

Affected versions
>=10.0.17763.0 <10.0.17763.8511

Microsoft

Windows Server 2019 (Server Core installation)

Affected versions
>=10.0.17763.0 <10.0.17763.8511

Microsoft

Windows Server 2022

Affected versions
>=10.0.20348.0 <10.0.20348.4893

Microsoft

Windows Server 2022, 23H2 Edition (Server Core installation)

Affected versions
>=10.0.25398.0 <10.0.25398.2207

Microsoft

Windows Server 2025

Affected versions
>=10.0.26100.0 <10.0.26100.32522

Microsoft

Windows Server 2025 (Server Core installation)

Affected versions
>=10.0.26100.0 <10.0.26100.32522

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 06/19/2026, 20:25:47 UTC

Technical Analysis

This vulnerability (CVE-2026-23674) arises from improper resolution of path equivalence in the Windows MapUrlToZone function in Windows 10 Version 1607. It enables an attacker to bypass security features remotely without privileges or user interaction. The CVSS 3.1 base score is 7.5, indicating high severity, with a network attack vector, low attack complexity, no privileges required, and no user interaction needed. Microsoft has released an official fix for this vulnerability as documented in their security update guide.

Potential Impact

Successful exploitation allows an attacker to bypass security features remotely, potentially leading to unauthorized access or actions that compromise confidentiality. The vulnerability does not impact integrity or availability directly. No known exploits are reported in the wild at this time.

Mitigation Recommendations

An official fix is available from Microsoft for Windows 10 Version 1607 (build 10.0.14393.0). Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23674 to remediate this vulnerability.

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Technical Details

Data Version
5.2
Assigner Short Name
microsoft
Date Reserved
2026-01-14T16:59:33.466Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
official-fix
Vendor Advisory Urls
[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23674","vendor":"Microsoft"}]

Threat ID: 69b05628ea502d3aa87d68c7

Added to database: 03/10/2026, 17:34:32 UTC

Last enriched: 06/19/2026, 20:25:47 UTC

Last updated: 09/13/2026, 22:01:32 UTC

Views: 198

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