CVE-2026-96852: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.0high
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
CVE-2026-96852 is a use-after-free vulnerability (CWE-416) in the Windows TCP/IP component that enables an authorized local attacker to elevate privileges on affected Windows 10 versions. The vulnerability impacts multiple Windows 10 builds, including but not limited to versions from 10.0.14393.0 up to but not including 10.0.14393.9612, and other specified version ranges. The CVSS v3.1 base score is 7.0, indicating high severity, with attack vector local, high attack complexity, low privileges required, no user interaction, and impacts on confidentiality, integrity, and availability. Microsoft has released official patches to address this vulnerability.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability in the Windows TCP/IP stack to elevate privileges, potentially gaining higher system rights. The vulnerability affects confidentiality, integrity, and availability of the system. No known exploits in the wild have been reported.
Mitigation Recommendations
Microsoft has released official patches to remediate this vulnerability. Users and administrators should apply the provided security updates for their affected Windows 10 versions as soon as possible. Since an official fix is available, applying the update is the recommended mitigation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-09-23T18:05:21.201Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96852","vendor":"Microsoft"}]
Threat ID: 6ace857d2cdf04f656a004a8
Added to database: 10/13/2026, 19:24:45 UTC
Last enriched: 10/14/2026, 00:04:52 UTC
Last updated: 10/14/2026, 04:04:33 UTC
Views: 2
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