CVE-2026-83773

MEDIUMCVSS 5.5/10

Last modified

CVE-2026-83773 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Exposure of sensitive system information to an unauthorized control sphere in Windows MIDI Service Module allows an authorized attacker to disclose information locally..

Description

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

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
MicrosoftWindows 11 Version 24H2>= 10.0.26100.0, < 10.0.26100.9711
MicrosoftWindows 11 Version 25H2>= 10.0.26200.0, < 10.0.26200.9711
MicrosoftWindows 11 version 26H1>= 10.0.28000.0, < 10.0.28000.3231
MicrosoftWindows 11 Version 26H2>= 10.0.26300.0, < 10.0.26300.9711

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-83773?
Exposure of sensitive system information to an unauthorized control sphere in Windows MIDI Service Module allows an authorized attacker to disclose information locally.
How severe is CVE-2026-83773?
CVE-2026-83773 has a CVSS score of 5.5/10 (MEDIUM severity).
How do I fix CVE-2026-83773?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST