CVE-2026-83773

MEDIUMCVSS 5.5

Description

Exposure of sensitive system information to an unauthorized control sphere in Windows MIDI Service Module allows an authorized attacker to disclose information locally.

Timeline

Published:October 13th, 2026 7:20 PM

Last modified:November 2nd, 2026 1:02 PM

CVSS Scoring

CVSS v3: 5.5 (MEDIUM)

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

Affected Software

From NVD CPE configuration data

Vendors

microsoft

Products

windows_11_24h2windows_11_25h2windows_11_26h1windows_11_26h2

Weaknesses (CWE)

CWE-497

References & Reports

Advisories, patches, and third-party reports

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83773Patch

Source: NIST NVD · Data may lag official sources by up to one minute