CVE-2026-62717
Received Received - Intake

Heap-based Buffer Overflow in Windows Message Queuing

Publication date: 2026-08-11

Last updated on: 2026-08-11

Assigner: Microsoft Corporation

Description
Heap-based buffer overflow in Windows Message Queuing allows an authorized attacker to elevate privileges locally.

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Meta Information

Published
2026-08-11
Last Modified
2026-08-11
Generated
2026-08-11
AI Q&A
2026-08-11
EPSS Evaluated
N/A
NVD
CVE-2026-62717
EUVD
EUVD-2026-56637

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
microsoft windows_message_queuing *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Attack-Flow Graph

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Executive Summary

This is a heap-based buffer overflow vulnerability in Windows Message Queuing. It allows an authorized attacker with local access to elevate their privileges on the system by exploiting the overflow.

Impact Analysis

An attacker could gain higher privileges on your system, potentially allowing them to install programs, view or delete data, or create new accounts with full user rights.

Mitigation Strategies

Apply the latest security updates from Microsoft for Windows Message Queuing to patch the heap-based buffer overflow vulnerability.

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