CVE-2025-64661
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-09

Last updated on: 2025-12-10

Assigner: Microsoft Corporation

Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Shell allows an authorized attacker to elevate privileges locally.
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Meta Information
Published
2025-12-09
Last Modified
2025-12-10
Generated
2026-06-16
AI Q&A
2025-12-09
EPSS Evaluated
2026-06-15
NVD
CVE-2025-64661
Affected Vendors & Products
Showing 12 associated CPEs
Vendor Product Version / Range
microsoft windows_shell 3.1
microsoft windows_10_1607 to 10.0.14393.8688 (inc)
microsoft windows_10_1809 to 10.0.17763.8146 (inc)
microsoft windows_10_21h2 to 10.0.19044.6691 (inc)
microsoft windows_10_22h2 to 10.0.19045.6691 (inc)
microsoft windows_11_23h2 to 10.0.22631.6345 (inc)
microsoft windows_server_2016 to 10.0.14393.8688 (inc)
microsoft windows_server_2019 to 10.0.17763.8146 (inc)
microsoft windows_server_2022_23h2 to 10.0.25398.2025 (inc)
microsoft windows_11_24h2 to 10.0.26100.7392 (inc)
microsoft windows_11_25h2 to 10.0.26200.7392 (inc)
microsoft windows_server_2025 to 10.0.26100.7392 (inc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-362 The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
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Executive Summary

This vulnerability is a race condition in the Windows Shell where concurrent execution using a shared resource occurs without proper synchronization. This flaw allows an authorized local attacker to elevate their privileges on the system.

Impact Analysis

An attacker who already has some level of access to the system can exploit this vulnerability to gain higher privileges, potentially allowing them to execute unauthorized actions, access sensitive data, or compromise system integrity.

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