EUVD-2026-43829
GHSA-hmvm-v74q-x273
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
2DescriptionCVE.org
Improper access control in Windows Audio Compression Manager (ACM) allows an authorized attacker to elevate privileges locally.
AnalysisAI
Local privilege escalation in the Windows Audio Compression Manager (ACM) allows a low-privileged authenticated user to elevate to higher privileges (CVSS 7.8, CWE-284 improper access control). It affects a broad Windows fleet spanning Windows 10 (1607 through 22H2), Windows 11 (24H2/25H2/26H1), and Windows Server 2012 through 2025. Reported by Microsoft with a patch available; there is no public exploit identified at time of analysis and it is not listed in CISA KEV.
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Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
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External POC / Exploit Code
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