CVE-2026-96846: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Description
CVE-2026-96846 is an out-of-bounds read vulnerability in the WebDAV component of Microsoft Windows 10 Version 1607 and related builds. It allows an authorized attacker with local access to disclose information. The vulnerability has a medium severity with a CVSS score of 5.5. An official fix is available from Microsoft.
CVSS v3.1
Score 5.5medium
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 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 involves an out-of-bounds read in the WebDAV service on Microsoft Windows 10 Version 1607 and other specified builds. An authorized attacker with local privileges can exploit this flaw to disclose sensitive information from memory. The issue is tracked as CWE-125. Microsoft has published an official fix addressing this vulnerability.
Potential Impact
The vulnerability allows local authorized users to read memory outside the intended bounds, potentially exposing sensitive information. There is no impact on integrity or availability. No known exploits are reported in the wild.
Mitigation Recommendations
Apply the official security update provided by Microsoft as detailed in their advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96846. This patch resolves the out-of-bounds read issue. No additional mitigations are required once the update is applied.
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-2026-96846","vendor":"Microsoft"}]
Threat ID: 6ace857b2cdf04f656a0049d
Added to database: 10/13/2026, 19:24:43 UTC
Last enriched: 10/14/2026, 00:19:22 UTC
Last updated: 10/14/2026, 00:19:22 UTC
Views: 2
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