CVE-2026-27931
Received Received - Intake
Out-of-Bounds Read in Windows GDI Enables Local Information Disclosure

Publication date: 2026-04-14

Last updated on: 2026-04-22

Assigner: Microsoft Corporation

Description
Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information locally.
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Meta Information
Published
2026-04-14
Last Modified
2026-04-22
Generated
2026-06-16
AI Q&A
2026-04-14
EPSS Evaluated
2026-06-15
NVD
CVE-2026-27931
EUVD
EUVD-2026-22487
Affected Vendors & Products
Showing 17 associated CPEs
Vendor Product Version / Range
microsoft windows_10_21h2 to 10.0.19044.7184 (exc)
microsoft windows_10_21h2 to 10.0.19044.7184 (exc)
microsoft windows_10_21h2 to 10.0.19044.7184 (exc)
microsoft windows_10_22h2 to 10.0.19045.7184 (exc)
microsoft windows_10_22h2 to 10.0.19045.7184 (exc)
microsoft windows_10_22h2 to 10.0.19045.7184 (exc)
microsoft windows_11_23h2 to 10.0.22631.6936 (exc)
microsoft windows_11_23h2 to 10.0.22631.6936 (exc)
microsoft windows_11_24h2 to 10.0.26100.8246 (exc)
microsoft windows_11_24h2 to 10.0.26100.8246 (exc)
microsoft windows_11_25h2 to 10.0.26200.8246 (exc)
microsoft windows_11_25h2 to 10.0.26200.8246 (exc)
microsoft windows_11_26h1 to 10.0.28000.1836 (exc)
microsoft windows_11_26h1 to 10.0.28000.1836 (exc)
microsoft windows_server_2022 to 10.0.20348.5020 (exc)
microsoft windows_server_2022_23h2 to 10.0.25398.2274 (exc)
microsoft windows_server_2025 to 10.0.26100.32690 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.
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Compliance Impact

This vulnerability allows an unauthorized attacker to disclose information locally due to an out-of-bounds read in Windows GDI.

Information disclosure vulnerabilities can potentially impact compliance with standards and regulations such as GDPR and HIPAA, which require protection of sensitive data and personal information.

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

Executive Summary

This vulnerability is an out-of-bounds read in the Windows Graphics Device Interface (GDI). It allows an unauthorized attacker to locally access information that they should not be able to see.

Impact Analysis

The vulnerability can lead to unauthorized disclosure of sensitive information on a local system. An attacker with local access could exploit this flaw to read data beyond intended boundaries, potentially exposing confidential information.

Mitigation Strategies

To mitigate this vulnerability, apply the security updates provided by Microsoft as soon as they become available.

Since the vulnerability allows local information disclosure via Windows GDI, limiting local access to trusted users and applying the latest patches are important immediate steps.

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