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Severity by source

Vendor (microsoft) PRIMARY
HIGH
qualitative
NVD
7.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CIRCL (temporal)
6.8 MEDIUM
cvss

Primary rating from Vendor (microsoft).

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Jul 14, 2026 - 18:21 vuln.today
CVE Published
Jul 14, 2026 - 17:06 nvd
HIGH 7.8

DescriptionNVD

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. …

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Recommended ActionAI

Within 24 hours: inventory all systems running affected Windows versions (10 versions 1607-22H2, 11 versions 24H2-26H1, Server 2012-2025) and prioritize critical infrastructure. …

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CVE-2026-50351 vulnerability details – vuln.today

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