EUVD-2026-73224
GHSA-j339-hmvm-238w
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Local-only exploitation by any authenticated standard user; pure confidentiality disclosure with no write or availability impact.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Exposure of sensitive system information to an unauthorized control sphere in Windows MIDI Service Module allows an authorized attacker to disclose information locally.
AnalysisAI
Local information disclosure in the Windows MIDI Service Module allows a low-privileged authenticated local user to read sensitive system information outside its intended authorization boundary. Affecting Windows 11 versions 24H2, 25H2, and 26H1, the flaw (CWE-497) enables an attacker already present on the system to extract data that should be inaccessible to their privilege level. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated local user account (any standard user, not just administrator) on a Windows 11 system running an affected build of 24H2, 25H2, or 26H1. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 5.5 Medium (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) reflects a realistic threat posture: exploitation is strictly local, requires only a standard user account, and yields no write or denial-of-service capability. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the Microsoft-released patches: update Windows 11 24H2 to build 10.0.26100.9445 or later, Windows 11 25H2 to 10.0.26200.9445 or later, and Windows 11 26H1 to 10.0.28000.2954 or later via Windows Update or WSUS. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same technique Information Disclosure
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External POC / Exploit Code
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