CVE-2026-48566

Analyzed Analyzed - Analysis Complete

Out-of-Bounds Read in Windows DWM Core Library

Publication date: 2026-06-09

Last updated on: 2026-06-10

Assigner: Microsoft Corporation

Description

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

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-06-09

Last Modified

2026-06-10

Generated

2026-06-30

AI Q&A

2026-06-10

EPSS Evaluated

2026-06-28

NVD

CVE-2026-48566

EUVD

EUVD-2026-35520

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_11_26h1	to 10.0.28000.2113 (exc)
microsoft	windows_11_26h1	to 10.0.28000.2113 (exc)
microsoft	windows_11_24h2	to 10.0.26100.8390 (exc)
microsoft	windows_11_24h2	to 10.0.26100.8390 (exc)
microsoft	windows_11_25h2	to 10.0.26200.8390 (exc)
microsoft	windows_11_25h2	to 10.0.26200.8390 (exc)
microsoft	windows_server_2025	to 10.0.26100.32772 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Mitigation Strategies

This vulnerability involves an out-of-bounds read in the Windows DWM Core Library that allows an authorized local attacker to disclose information.

To mitigate this vulnerability, ensure that your Windows system is updated with the latest security patches provided by Microsoft.

Executive Summary

This vulnerability is an out-of-bounds read in the Windows DWM Core Library. It allows an authorized attacker to read memory outside the intended boundaries, which can lead to local information disclosure.

Impact Analysis

The impact of this vulnerability is information disclosure. An authorized attacker could exploit it locally to access sensitive information that should not be accessible, potentially compromising confidentiality.

Compliance Impact

This vulnerability allows an authorized attacker to disclose information locally due to an out-of-bounds read in the Windows DWM Core Library.

Such information disclosure vulnerabilities can potentially impact compliance with data protection standards and regulations like GDPR and HIPAA, which require safeguarding sensitive information against unauthorized access or disclosure.

However, the provided information does not specify the exact nature or sensitivity of the disclosed information, nor does it detail the compliance implications explicitly.

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