CVE-2026-97807: CWE-416: Use After Free in Microsoft Windows 10 Version 1809
Description
Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
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 2019
Microsoft
Windows Server 2019 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-97807) involves a use-after-free condition in the Windows Broadcast DVR User Service on Windows 10 Version 1809 and several subsequent builds. Exploitation requires local access with some privileges and can lead to elevation of privileges, compromising confidentiality, integrity, and availability. The CVSS 3.1 vector indicates low attack complexity, low privileges required, no user interaction, and a complete impact on confidentiality, integrity, and availability. Microsoft has released official fixes for affected versions.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges on the affected Windows 10 systems, potentially gaining higher-level access and control. The impact includes full compromise of confidentiality, integrity, and availability of the system as indicated by the CVSS vector.
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 advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97807. No additional mitigation steps are indicated beyond applying the official patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-09-25T04:41:33.499Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97807","vendor":"Microsoft"}]
Threat ID: 6ace85952cdf04f656a018f8
Added to database: 10/13/2026, 19:25:09 UTC
Last enriched: 10/13/2026, 19:50:18 UTC
Last updated: 10/14/2026, 02:48:43 UTC
Views: 7
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