CVE-2026-62688
Received Received - Intake

Heap-based Buffer Overflow in Windows MIDI Service

Publication date: 2026-08-11

Last updated on: 2026-08-11

Assigner: Microsoft Corporation

Description
Heap-based buffer overflow in Windows MIDI Service Module 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-2026-62688
EUVD
EUVD-2026-56343

Affected Vendors & Products

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

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().

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Executive Summary

This is a heap-based buffer overflow vulnerability in the Windows MIDI Service Module. It allows an authorized attacker with local access to elevate their privileges on the system.

Impact Analysis

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

Compliance Impact

This vulnerability could lead to unauthorized access or privilege escalation, which may violate compliance requirements for data protection and access controls in standards like GDPR and HIPAA.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the heap-based buffer overflow in the Windows MIDI Service Module. Monitor Microsoft's update guide for the specific patch release.

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