CVE-2026-50347: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
CVE-2026-50347 is a heap-based buffer overflow vulnerability in the Windows Data DLL of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). This flaw allows an unauthorized attacker to execute code locally on the affected system. The vulnerability has a high severity rating with a CVSS score of 7.8. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability involves a heap-based buffer overflow in the Windows Data DLL component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could allow an attacker to execute arbitrary code locally without requiring privileges, but user interaction is needed. The vulnerability has been assigned CVE-2026-50347 and is tracked under CWE-122. Microsoft has published an official fix addressing this issue.
Potential Impact
Successful exploitation of this vulnerability could lead to local code execution with high impact on confidentiality, integrity, and availability of the affected system. The attacker does not need privileges but requires user interaction to trigger the vulnerability. This could allow compromise of the affected Windows 10 system.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50347 to remediate this vulnerability.
CVE-2026-50347: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
CVE-2026-50347 is a heap-based buffer overflow vulnerability in the Windows Data DLL of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). This flaw allows an unauthorized attacker to execute code locally on the affected system. The vulnerability has a high severity rating with a CVSS score of 7.8. An official fix is available from Microsoft.
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 Data DLL component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could allow an attacker to execute arbitrary code locally without requiring privileges, but user interaction is needed. The vulnerability has been assigned CVE-2026-50347 and is tracked under CWE-122. Microsoft has published an official fix addressing this issue.
Potential Impact
Successful exploitation of this vulnerability could lead to local code execution with high impact on confidentiality, integrity, and availability of the affected system. The attacker does not need privileges but requires user interaction to trigger the vulnerability. This could allow compromise of the affected Windows 10 system.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50347 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:48:26.814Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50347","vendor":"Microsoft"}]
Threat ID: 6a56769368715ace43f08d0c
Added to database: 07/14/2026, 17:49:07 UTC
Last enriched: 07/15/2026, 00:32:30 UTC
Last updated: 07/15/2026, 00:32:30 UTC
Views: 2
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