CVE-2026-83828: Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.

PriorityP351high7.8CVSS 3.1

AVLACLPRLUINSUCHIHAH

EPSS

0.32%

23.5th percentile

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

Affected

4 ranges

Vendor	Product	Version range	Fixed in
microsoft	windows_11_version_24h2	>= 10.0.26100.0 < 10.0.26100.9711	10.0.26100.9711
microsoft	windows_11_version_25h2	>= 10.0.26200.0 < 10.0.26200.9711	10.0.26200.9711
microsoft	windows_11_version_26h1	>= 10.0.28000.0 < 10.0.28000.3231	10.0.28000.3231
microsoft	windows_11_version_26h2	>= 10.0.26300.0 < 10.0.26300.9711	10.0.26300.9711

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