7.8
High
CVE-2026-83828 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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 11 Version 24H2 10.0 | 10.0.26100.0 → < 10.0.26100.9711 | 10.0.26100.9711 |
| Windows 11 Version 25H2 10.0 | 10.0.26200.0 → < 10.0.26200.9711 | 10.0.26200.9711 |
| Windows 11 version 26H1 10.0 | 10.0.28000.0 → < 10.0.28000.3231 | 10.0.28000.3231 |
| Windows 11 Version 26H2 10.0 | 10.0.26300.0 → < 10.0.26300.9711 | 10.0.26300.9711 |
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