CVE-2026-83828
High
Description
Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Microsoft Windows
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-122CWE-122CWE-190Integer overflow
How to fix
Update
- microsoft windows_11_24h210.0.26100.9711 or later
- microsoft windows_11_25h210.0.26200.9711 or later
- microsoft windows_11_26h110.0.28000.3231 or later
- microsoft windows_11_26h210.0.26300.9711 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_11_24h2 | v < 10.0.26100.9711 | 10.0.26100.9711 |
| microsoft windows_11_25h2 | v < 10.0.26200.9711 | 10.0.26200.9711 |
| microsoft windows_11_26h1 | v < 10.0.28000.3231 | 10.0.28000.3231 |
| microsoft windows_11_26h2 | v < 10.0.26300.9711 | 10.0.26300.9711 |
| microsoft windows_11_25H2 | No range specified | — |
| microsoft windows_11_24H2 | No range specified | — |
| microsoft windows_11_26H1 | No range specified | — |
| microsoft windows_11_version_26h2_for_arm64-based_systems | No range specified | — |
| microsoft windows_11_version_26h2_for_x64-based_systems | No range specified | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.