CVE-2026-62688

HIGHCVSS 7.8/10

Last modified

CVE-2026-62688 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally..

Description

Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
MicrosoftWindows 11 Version 24H2>= 10.0.26100.0, < 10.0.26100.9168
MicrosoftWindows 11 Version 25H2>= 10.0.26200.0, < 10.0.26200.9168
MicrosoftWindows 11 version 26H1>= 10.0.28000.0, < 10.0.28000.2704

References

Timeline

Published
Last Modified
Status
Undergoing Analysis

Frequently Asked Questions

What is CVE-2026-62688?
Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
How severe is CVE-2026-62688?
CVE-2026-62688 has a CVSS score of 7.8/10 (HIGH severity).
How do I fix CVE-2026-62688?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST