CVE-2026-83968: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Use after free in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-83968, involves a use-after-free condition in the Windows Biometric Service component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with some level of authorization and can lead to privilege escalation, granting the attacker higher system privileges. The CVSS 3.1 vector indicates low attack complexity, no user interaction, and high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate their privileges on the affected Windows 10 Version 1607 system. This could allow the attacker to execute code with higher privileges, potentially compromising system confidentiality, integrity, and availability.
Mitigation Recommendations
Microsoft has provided an official fix for this vulnerability. It is recommended to apply the security update available from the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83968 to remediate this issue.
CVE-2026-83968: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
Use after free 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, identified as CVE-2026-83968, involves a use-after-free condition in the Windows Biometric Service component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with some level of authorization and can lead to privilege escalation, granting the attacker higher system privileges. The CVSS 3.1 vector indicates low attack complexity, no user interaction, and high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate their privileges on the affected Windows 10 Version 1607 system. This could allow the attacker to execute code with higher privileges, potentially compromising system confidentiality, integrity, and availability.
Mitigation Recommendations
Microsoft has provided an official fix for this vulnerability. It is recommended to apply the security update available from the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83968 to remediate this issue.
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-2026-83968","vendor":"Microsoft"}]
Threat ID: 6aa04577acd9273b49fbded8
Added to database: 09/08/2026, 17:27:19 UTC
Last enriched: 09/08/2026, 17:54:44 UTC
Last updated: 09/08/2026, 20:00:50 UTC
Views: 4
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