SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-50342

Improper access control in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.

HIGH 8.8EPSS 0.30%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Improper access control in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
0.30% probability · 22th percentile
CISA KEV
Not listed
Weakness
CWE-284
Affected
microsoft/windows 11 24h2 · microsoft/windows 11 25h2 · microsoft/windows 11 26h1
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.