CVE-2026-96250: CWE-416: Use After Free in Microsoft Windows 10 Version 21H2
Description
Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.0high
Affected software
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 2022
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-96250) involves a use-after-free condition in the Windows USB Print Driver component of Microsoft Windows 10 Version 21H2. Exploitation requires local access with limited privileges and no user interaction. Successful exploitation can lead to elevation of privileges, impacting confidentiality, integrity, and availability. The vulnerability affects multiple builds of Windows 10 Version 21H2 as specified by the affected version ranges. Microsoft has released an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate privileges on the affected Windows 10 systems. This could allow the attacker to gain higher-level access, potentially compromising system confidentiality, integrity, and availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security updates provided by Microsoft for Windows 10 Version 21H2 as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96250. No additional mitigation is required beyond applying the official patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-09-22T19:05:22.814Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96250","vendor":"Microsoft"}]
Threat ID: 6ace85752cdf04f656a00462
Added to database: 10/13/2026, 19:24:37 UTC
Last enriched: 10/14/2026, 00:34:04 UTC
Last updated: 10/14/2026, 04:04:33 UTC
Views: 2
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