CVE-2026-20815

HIGH
2026-01-13 [email protected]
7.0
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 13, 2026 - 18:16 nvd
HIGH 7.0

Tags

Race Condition Windows 11 25h2 Windows 11 24h2 Windows Server 2025 Microsoft

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.

Analysis

Privilege escalation in Windows 11 and Windows Server 2025 Capability Access Management Service stems from improper synchronization of shared resources, enabling a local authenticated attacker to gain elevated privileges. The vulnerability exploits a race condition that can be triggered without user interaction, though successful exploitation requires specific timing and system conditions. …

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Remediation

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

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Priority Score

35
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +35
POC: 0

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CVE-2026-20815 vulnerability details – vuln.today
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