CVE-2026-32073: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
CVE-2026-32073 is a use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock on Windows 10 Version 1607. This flaw allows an authorized local attacker to elevate privileges on the affected system. The vulnerability has a high severity rating with a CVSS score of 7. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Windows Ancillary Function Driver for WinSock component on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with low privileges and no user interaction. Successful exploitation could lead to elevation of privileges, impacting confidentiality, integrity, and availability of the system. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
An authorized local attacker could exploit this use-after-free vulnerability to elevate privileges on the affected Windows 10 Version 1607 system. This could allow the attacker to gain higher-level access rights, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability of the system.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as soon as possible to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-32073: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
CVE-2026-32073 is a use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock on Windows 10 Version 1607. This flaw allows an authorized local attacker to elevate privileges on the affected system. The vulnerability has a high severity rating with a CVSS score of 7. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 7.0high
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 component on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with low privileges and no user interaction. Successful exploitation could lead to elevation of privileges, impacting confidentiality, integrity, and availability of the system. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
An authorized local attacker could exploit this use-after-free vulnerability to elevate privileges on the affected Windows 10 Version 1607 system. This could allow the attacker to gain higher-level access rights, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability of the system.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as soon as possible to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-10T22:02:18.666Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32073","vendor":"Microsoft"}]
Threat ID: 69de7a2782d89c981fd6ba68
Added to database: 4/14/2026, 5:32:23 PM
Last enriched: 5/26/2026, 8:08:37 PM
Last updated: 5/29/2026, 5:01:07 PM
Views: 98
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