CVE-2026-83988: 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 Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An attacker with authorized local access can exploit this flaw to elevate their privileges on the affected system. The vulnerability is tracked as CVE-2026-83988 and is classified under CWE-122 (Heap-based Buffer Overflow). Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access to the system. This could lead to full system compromise depending on the privileges obtained. The vulnerability affects confidentiality, integrity, and availability, all rated as high impact.
Mitigation Recommendations
An official fix is available from Microsoft to address this vulnerability. Users and administrators should apply the provided security update from the Microsoft Security Response Center as soon as possible to mitigate the risk. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-83988: 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 Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An attacker with authorized local access can exploit this flaw to elevate their privileges on the affected system. The vulnerability is tracked as CVE-2026-83988 and is classified under CWE-122 (Heap-based Buffer Overflow). Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access to the system. This could lead to full system compromise depending on the privileges obtained. The vulnerability affects confidentiality, integrity, and availability, all rated as high impact.
Mitigation Recommendations
An official fix is available from Microsoft to address this vulnerability. Users and administrators should apply the provided security update from the Microsoft Security Response Center as soon as possible to mitigate the risk. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-09-01T01:02:23.996Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83988","vendor":"Microsoft"}]
Threat ID: 6aa0457bacd9273b49fbdf5f
Added to database: 09/08/2026, 17:27:23 UTC
Last enriched: 09/08/2026, 17:38:32 UTC
Last updated: 09/09/2026, 00:24:17 UTC
Views: 6
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