CVE-2026-83773
mediumExposure of sensitive system information to an unauthorized control sphere in Windows MIDI Service Module allows an authorized attacker to disclose information…
Vendor / product: Microsoft — windows 11 24h2
Exposure of sensitive system information to an unauthorized control sphere in Windows MIDI Service Module allows an authorized attacker to disclose information locally.
CVSS
5.5
5.5 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Severity source: NVD CVSS v3.1 (secure@microsoft.com)
Timeline (UTC)
Published: 2026-10-13 19:20
Modified: 2026-11-02 13:02
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-11-03 07:34 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
microsoft / windows_11_24h2 <10.0.26100.9711
microsoft / windows_11_25h2 <10.0.26200.9711
microsoft / windows_11_26h1 <10.0.28000.3231
microsoft / windows_11_26h2 <10.0.26300.9711
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83773
Patch / mitigation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83773
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83773 secure@microsoft.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-03 07:34 UTC · record ↗