CVE-2026-48566 - Vulnerability Details - OpenCVE

Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Vendors	Products
Microsoft	Windows 11 24h2 Windows 11 25h2 Windows 11 26h1 Windows Server 2025

No data.

No data.

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References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48566

History

Tue, 09 Jun 2026 17:15:00 +0000

Type	Values Removed	Values Added
Description		Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.
Title		Windows DWM Core Library Information Disclosure Vulnerability
First Time appeared		Microsoft Microsoft windows 11 24h2 Microsoft windows 11 25h2 Microsoft windows 11 26h1 Microsoft windows Server 2025
Weaknesses		CWE-125
CPEs		cpe:2.3:o:microsoft:windows_11_24H2:::::::arm64:* cpe:2.3:o:microsoft:windows_11_25H2:::::::arm64:* cpe:2.3:o:microsoft:windows_11_26H1:::::::x64:* cpe:2.3:o:microsoft:windows_server_2025::::::::
Vendors & Products		Microsoft Microsoft windows 11 24h2 Microsoft windows 11 25h2 Microsoft windows 11 26h1 Microsoft windows Server 2025
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48566
Metrics		cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-06-09T17:05:12.084Z

Updated: 2026-06-09T17:48:50.172Z

Reserved: 2026-05-21T20:00:35.245Z

Link: CVE-2026-48566

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-06-09T17:17:45.167

Modified: 2026-06-09T17:17:45.167

Link: CVE-2026-48566

Redhat

No data.

OpenCVE Enrichment

No data.

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