CVE-2026-50447: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CWE-122) involves a heap-based buffer overflow in the Windows Message Queuing component of Windows 10 Version 1607 (build 10.0.14393.0). An attacker can exploit this flaw remotely to execute arbitrary code on the affected system without requiring privileges or user interaction. The CVSS 3.1 base score is 9.8, indicating critical severity with high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability.
Potential Impact
Successful exploitation allows remote code execution by an unauthenticated attacker over the network, potentially leading to full system compromise including complete control over the affected Windows 10 Version 1607 system. The vulnerability impacts confidentiality, integrity, and availability with critical severity.
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-2026-50447 to remediate this vulnerability.
CVE-2026-50447: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
CVSS v3.1
Score 9.8critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-122) involves a heap-based buffer overflow in the Windows Message Queuing component of Windows 10 Version 1607 (build 10.0.14393.0). An attacker can exploit this flaw remotely to execute arbitrary code on the affected system without requiring privileges or user interaction. The CVSS 3.1 base score is 9.8, indicating critical severity with high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability.
Potential Impact
Successful exploitation allows remote code execution by an unauthenticated attacker over the network, potentially leading to full system compromise including complete control over the affected Windows 10 Version 1607 system. The vulnerability impacts confidentiality, integrity, and availability with critical severity.
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-2026-50447 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:57:47.376Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50447","vendor":"Microsoft"}]
Threat ID: 6a5676a068715ace43f09493
Added to database: 07/14/2026, 17:49:20 UTC
Last enriched: 08/13/2026, 14:56:09 UTC
Last updated: 08/26/2026, 00:40:59 UTC
Views: 82
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.