CVE-2026-50347: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Heap-based buffer overflow in Windows Data dll allows an unauthorized attacker to execute code locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50347) involves a heap-based buffer overflow in the Windows Data DLL of Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could allow an unauthorized local attacker to execute arbitrary code with elevated impact on confidentiality, integrity, and availability. The vulnerability has been assigned a CVSS v3.1 score of 7.8, indicating high severity. Microsoft has released an official fix to remediate this issue as documented in their security update guide.
Potential Impact
Successful exploitation of this heap-based buffer overflow can lead to local code execution by an unauthorized attacker, potentially resulting in full compromise of the affected system's confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft to remediate this vulnerability. Users and administrators should apply the security update provided by Microsoft as soon as possible. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50347 for detailed patch information and deployment guidance.
CVE-2026-50347: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in Windows Data dll allows an unauthorized attacker to execute code locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50347) involves a heap-based buffer overflow in the Windows Data DLL of Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could allow an unauthorized local attacker to execute arbitrary code with elevated impact on confidentiality, integrity, and availability. The vulnerability has been assigned a CVSS v3.1 score of 7.8, indicating high severity. Microsoft has released an official fix to remediate this issue as documented in their security update guide.
Potential Impact
Successful exploitation of this heap-based buffer overflow can lead to local code execution by an unauthorized attacker, potentially resulting in full compromise of the affected system's confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft to remediate this vulnerability. Users and administrators should apply the security update provided by Microsoft as soon as possible. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50347 for detailed patch information and deployment guidance.
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: 08/13/2026, 14:37:30 UTC
Last updated: 08/28/2026, 22:52:11 UTC
Views: 75
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.