CVE-2026-20815

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

CVSS v3 7.0 HIGH

7.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20815	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:microsoft:windows_11_24h2::::::::
	cpe:2.3:o:microsoft:windows_11_25h2::::::::
	cpe:2.3:o:microsoft:windows_server_2025::::::::

History

17 Jun 2026, 10:17

Type	Values Removed	Values Added
Summary		(es) Ejecución concurrente utilizando un recurso compartido con sincronización inadecuada ('condición de carrera') en el Servicio de Gestión de Acceso a Capacidades (camsvc) permite a un atacante autorizado elevar privilegios localmente.

14 Jan 2026, 20:27

Type	Values Removed	Values Added
First Time		Microsoft windows 11 24h2 Microsoft windows 11 25h2 Microsoft windows Server 2025 Microsoft
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20815 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20815 - Vendor Advisory
CPE		cpe:2.3:o:microsoft:windows_server_2025:::::::: cpe:2.3:o:microsoft:windows_11_24h2:::::::: cpe:2.3:o:microsoft:windows_11_25h2::::::::

13 Jan 2026, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-13 18:16

Updated : 2026-06-17 10:17

NVD link : CVE-2026-20815

Mitre link : CVE-2026-20815

CVE.ORG link : CVE-2026-20815

JSON object : View

Products Affected

microsoft

windows_11_25h2
windows_11_24h2
windows_server_2025

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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