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CVE-2026-34329: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607

0
High
VulnerabilityCVE-2026-34329cvecve-2026-34329cwe-122
Published: Tue May 12 2026 (05/12/2026, 16:58:21 UTC)
Source: CVE Database V5
Vendor/Project: Microsoft
Product: Windows 10 Version 1607

Description

Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over an adjacent network.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/12/2026, 19:24:03 UTC

Technical Analysis

This vulnerability (CVE-2026-34329) involves a heap-based buffer overflow in the Windows Message Queuing component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An attacker can exploit this flaw remotely over a network without requiring privileges or user interaction, potentially leading to remote code execution with high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to remediate this vulnerability as detailed in their security update guide.

Potential Impact

Successful exploitation allows an attacker to execute arbitrary code remotely on the affected system, potentially leading to full system compromise. The vulnerability impacts confidentiality, integrity, and availability of the system. No known exploits are currently reported in the wild.

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-2026-34329 to remediate this vulnerability. No additional mitigation steps are indicated by the vendor.

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Technical Details

Data Version
5.2
Assigner Short Name
microsoft
Date Reserved
2026-03-26T21:02:16.445Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
official-fix
Vendor Advisory Urls
[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34329","vendor":"Microsoft"}]

Threat ID: 6a03653ccbff5d861008c3d6

Added to database: 5/12/2026, 5:37:00 PM

Last enriched: 5/12/2026, 7:24:03 PM

Last updated: 5/13/2026, 4:47:45 AM

Views: 2

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