CVE-2026-83967: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a heap-based buffer overflow in the Windows Biometric Service component of Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to elevate their privileges on the affected system. The CVSS v3.1 base score is 7.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to gain elevated privileges, potentially allowing them to execute code with higher permissions, compromise system integrity, and affect confidentiality and availability of the system.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided security update from Microsoft as soon as possible to remediate this issue. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83967 for detailed patch information and deployment guidance.
CVE-2026-83967: 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
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a heap-based buffer overflow in the Windows Biometric Service component of Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to elevate their privileges on the affected system. The CVSS v3.1 base score is 7.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to gain elevated privileges, potentially allowing them to execute code with higher permissions, compromise system integrity, and affect confidentiality and availability of the system.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided security update from Microsoft as soon as possible to remediate this issue. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83967 for detailed patch information and deployment guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-09-01T01:02:23.994Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83967","vendor":"Microsoft"}]
Threat ID: 6aa04577acd9273b49fbded6
Added to database: 09/08/2026, 17:27:19 UTC
Last enriched: 09/08/2026, 17:54:49 UTC
Last updated: 09/08/2026, 18:54:24 UTC
Views: 3
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