CVE-2026-25174
Received Received - Intake
Out-of-Bounds Read in Windows Extensible File Allocation Elevates Privileges

Publication date: 2026-03-10

Last updated on: 2026-03-13

Assigner: Microsoft Corporation

Description
Out-of-bounds read in Windows Extensible File Allocation allows an authorized attacker to elevate privileges locally.
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Meta Information
Published
2026-03-10
Last Modified
2026-03-13
Generated
2026-06-16
AI Q&A
2026-03-10
EPSS Evaluated
2026-06-15
NVD
CVE-2026-25174
EUVD
EUVD-2026-10642
Affected Vendors & Products
Showing 25 associated CPEs
Vendor Product Version / Range
microsoft windows_server_2012 r2
microsoft windows_server_2012 *
microsoft windows_10_1809 to 10.0.17763.8511 (exc)
microsoft windows_10_1809 to 10.0.17763.8511 (exc)
microsoft windows_10_21h2 to 10.0.19044.7058 (exc)
microsoft windows_10_21h2 to 10.0.19044.7058 (exc)
microsoft windows_10_21h2 to 10.0.19044.7058 (exc)
microsoft windows_10_22h2 to 10.0.19045.7058 (exc)
microsoft windows_10_22h2 to 10.0.19045.7058 (exc)
microsoft windows_10_22h2 to 10.0.19045.7058 (exc)
microsoft windows_11_23h2 to 10.0.22631.6783 (exc)
microsoft windows_11_23h2 to 10.0.22631.6783 (exc)
microsoft windows_11_24h2 to 10.0.26100.7979 (exc)
microsoft windows_11_24h2 to 10.0.26100.7979 (exc)
microsoft windows_11_25h2 to 10.0.26200.7979 (exc)
microsoft windows_11_25h2 to 10.0.26200.7979 (exc)
microsoft windows_11_26h1 to 10.0.28000.1719 (exc)
microsoft windows_11_26h1 to 10.0.28000.1719 (exc)
microsoft windows_server_2016 to 10.0.14393.8957 (exc)
microsoft windows_server_2019 to 10.0.17763.8511 (exc)
microsoft windows_server_2022 to 10.0.20348.4830 (exc)
microsoft windows_server_2022_23h2 to 10.0.25398.2207 (exc)
microsoft windows_10_1607 to 10.0.14393.8957 (exc)
microsoft windows_10_1607 to 10.0.14393.8957 (exc)
microsoft windows_server_2025 to 10.0.26100.32463 (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.
Attack-Flow Graph
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Executive Summary

This vulnerability is an out-of-bounds read in the Windows Extensible File Allocation component. It allows an authorized attacker to read memory outside the intended bounds, which can lead to an elevation of privileges on the local system.

Impact Analysis

The impact of this vulnerability is that an attacker who already has some level of access to the system can exploit it to elevate their privileges. This means they could gain higher-level permissions, potentially allowing them to execute unauthorized actions, access sensitive data, or compromise system integrity.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

This vulnerability allows an authorized attacker to elevate privileges locally via an out-of-bounds read in Windows Extensible File Allocation.

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

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