CVE-2026-62801: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Microsoft Windows 10 Version 1607
Description
CVE-2026-62801 is a path traversal vulnerability in Windows PowerShell on Microsoft Windows 10 Version 1607 and other specified versions. It allows an unauthorized attacker to bypass a security feature over a network. The vulnerability has a medium severity with a CVSS score of 6.5. An official fix is available from Microsoft.
CVSS v3.1
Score 6.5medium
Affected software
Microsoft
Windows 10 Version 1607
Microsoft
Windows 10 Version 1809
Microsoft
Windows 10 Version 21H2
Microsoft
Windows 10 Version 22H2
Microsoft
Windows 11 version 23H2
Microsoft
Windows 11 Version 23H2
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows Server 2012
Microsoft
Windows Server 2012 (Server Core installation)
Microsoft
Windows Server 2012 R2
Microsoft
Windows Server 2012 R2 (Server Core installation)
Microsoft
Windows Server 2016
Microsoft
Windows Server 2016 (Server Core installation)
Microsoft
Windows Server 2019
Microsoft
Windows Server 2019 (Server Core installation)
Microsoft
Windows Server 2022
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-22) involves improper limitation of a pathname to a restricted directory in Windows PowerShell, enabling an attacker to bypass security restrictions remotely. It affects multiple builds of Windows 10 including versions from 10.0.14393.0 up to but excluding 10.0.14393.9512, and other specified version ranges. The vulnerability is network exploitable without privileges but requires user interaction. Microsoft has published an official fix for this issue.
Potential Impact
An attacker can bypass security features remotely via network access, potentially leading to unauthorized actions that impact system integrity. The vulnerability does not affect confidentiality or availability directly but can result in integrity compromise. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix from Microsoft is available and should be applied to affected systems. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62801 for patch details and update instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-14T21:08:07.965Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62801","vendor":"Microsoft"}]
Threat ID: 6aa044c5acd9273b49fa5fe9
Added to database: 09/08/2026, 17:24:21 UTC
Last enriched: 10/16/2026, 20:49:14 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 29
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