CVE-2026-96847: CWE-822: Untrusted Pointer Dereference in Microsoft Windows 10 Version 1607
Description
CVE-2026-96847 is a high-severity vulnerability in Microsoft Windows 10 Version 1607 involving an untrusted pointer dereference in the WebDAV component. This flaw allows an authorized local attacker to elevate privileges. The vulnerability affects multiple Windows 10 builds prior to specific patch versions. An official fix is available from Microsoft.
CVSS v3.1
Score 7.8high
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 11 Version 26H2
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, tracked as CVE-2026-96847 and classified under CWE-822 (Untrusted Pointer Dereference), exists in the WebDAV implementation of Microsoft Windows 10 Version 1607 and related builds. It allows an attacker with authorized local access to exploit improper pointer handling to elevate their privileges on the system. The CVSS v3.1 base score is 7.8, indicating a high severity with impacts on confidentiality, integrity, and availability. Multiple affected Windows 10 versions are identified, each fixed in later updates. Microsoft has released an official patch to address this issue.
Potential Impact
An authorized local attacker can leverage this vulnerability to gain elevated privileges, potentially leading to full system compromise. The vulnerability impacts confidentiality, integrity, and availability of the affected systems.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security updates provided by Microsoft for the affected Windows 10 versions as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96847.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-09-23T18:05:21.200Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96847","vendor":"Microsoft"}]
Threat ID: 6ace857b2cdf04f656a0049e
Added to database: 10/13/2026, 19:24:43 UTC
Last enriched: 10/14/2026, 00:18:14 UTC
Last updated: 10/14/2026, 00:18:14 UTC
Views: 3
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