CVE-2026-83773: Windows MIDI Service Module Information Disclosure Vulnerability
Exposure of sensitive system information to an unauthorized control sphere in Windows MIDI Service Module allows an authorized attacker to disclose information locally.
Other sources
Windows MIDI Service Module Information Disclosure Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26300.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.3231Patch KB5127646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9711Patch KB5127648
Event History
Frequently Asked Questions
Who can exploit this vulnerability?
An attacker must already be authorized on the affected Windows 11 system and must be able to act locally. The provided information does not indicate that remote exploitation is possible.
What is the likely impact if exploitation succeeds?
Successful exploitation can disclose sensitive system information. The supplied severity vector indicates high confidentiality impact, with no indicated integrity or availability impact.
Is user interaction required for exploitation?
No user interaction is required according to the supplied severity vector. The attacker does require low-level privileges on the local system.