CVE-2026-62775

Incorrect authorization in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information locally.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62775	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:microsoft:windows_11_26h1:::::::arm64:*
	cpe:2.3:o:microsoft:windows_11_26h1:::::::x64:*

History

23 Oct 2026, 19:10

Type	Values Removed	Values Added
Summary		(es) Autorización incorrecta en el Controlador de filtro del sistema de archivos de Aislamiento de Contenedores de Windows (unionfs.sys) permite a un atacante autorizado divulgar información localmente.

Information

Published : 2026-08-11 17:18

Updated : 2026-10-24 16:10

NVD link : CVE-2026-62775

Mitre link : CVE-2026-62775

CVE.ORG link : CVE-2026-62775

JSON object : View

Products Affected

microsoft

windows_11_26h1

CWE

CWE-863

Incorrect Authorization

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