CVE-2026-72992: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
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 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 (CVE-2026-72992) involves a heap-based buffer overflow in the Windows Biometric Service component of Microsoft Windows 10 Version 1607 and subsequent versions. An authorized local attacker can exploit this flaw to elevate their privileges on the affected system. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. The vulnerability affects multiple Windows 10 builds starting from 10.0.14393.0 up to but excluding various fixed builds. Microsoft has published an official security update to remediate this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher system rights. This can lead to full system compromise, including unauthorized access to sensitive data and disruption of system operations.
Mitigation Recommendations
Microsoft has released official security updates that fix this vulnerability. It is strongly recommended to apply the provided patches from Microsoft to affected Windows 10 versions. No additional mitigation steps are indicated beyond applying the official fix.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-10T18:38:17.058Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72992","vendor":"Microsoft"}]
Threat ID: 6aa0454dacd9273b49fa9db4
Added to database: 09/08/2026, 17:26:37 UTC
Last enriched: 10/14/2026, 21:52:20 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 30
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