CVE-2026-68820: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
CVE-2026-68820 is a use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock on Windows 10 Version 1607. It allows an authorized local attacker to elevate privileges. The vulnerability has a high severity score and has been officially fixed by Microsoft.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Windows Ancillary Function Driver for WinSock on Windows 10 Version 1607 (build 10.0.14393.0). An authorized attacker with local access can exploit this flaw to elevate privileges on the affected system. The CVSS v3.1 base score is 7.0, indicating high severity, with attack vector local, attack complexity high, and privileges required low. The vulnerability impacts confidentiality, integrity, and availability. Microsoft has released an official fix for this issue.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate privileges, potentially gaining higher system rights than intended. This can lead to full system compromise, affecting confidentiality, integrity, and availability of the system.
Mitigation Recommendations
Microsoft has provided an official fix for this vulnerability. It is recommended to apply the official security update to Windows 10 Version 1607 (build 10.0.14393.0) to remediate this issue.
CVE-2026-68820: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
CVE-2026-68820 is a use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock on Windows 10 Version 1607. It allows an authorized local attacker to elevate privileges. The vulnerability has a high severity score and has been officially fixed by Microsoft.
CVSS v3.1
Score 7.0high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the Windows Ancillary Function Driver for WinSock on Windows 10 Version 1607 (build 10.0.14393.0). An authorized attacker with local access can exploit this flaw to elevate privileges on the affected system. The CVSS v3.1 base score is 7.0, indicating high severity, with attack vector local, attack complexity high, and privileges required low. The vulnerability impacts confidentiality, integrity, and availability. Microsoft has released an official fix for this issue.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate privileges, potentially gaining higher system rights than intended. This can lead to full system compromise, affecting confidentiality, integrity, and availability of the system.
Mitigation Recommendations
Microsoft has provided an official fix for this vulnerability. It is recommended to apply the official security update to Windows 10 Version 1607 (build 10.0.14393.0) to remediate this issue.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-c433-3382-mw5v
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-68820"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- Remediation Level
- official-fix
- State
- PUBLISHED
Threat ID: 6a7c9b72bf8831d539ce0807
Added to database: 08/12/2026, 16:12:34 UTC
Last enriched: 09/10/2026, 22:59:09 UTC
Last updated: 09/24/2026, 16:10:45 UTC
Views: 86
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