CVE-2026-26151
Modified Modified - Updated After Analysis
UI Spoofing in Windows Remote Desktop Due to Insufficient Warnings

Publication date: 2026-04-14

Last updated on: 2026-05-26

Assigner: Microsoft Corporation

Description
Insufficient ui warning of dangerous operations in Windows Remote Desktop allows an unauthorized attacker to perform spoofing over a network.
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Meta Information
Published
2026-04-14
Last Modified
2026-05-26
Generated
2026-06-16
AI Q&A
2026-04-14
EPSS Evaluated
2026-06-14
NVD
CVE-2026-26151
EUVD
EUVD-2026-22372
Affected Vendors & Products
Showing 25 associated CPEs
Vendor Product Version / Range
microsoft windows_server_2012 r2
microsoft windows_server_2012 *
microsoft windows_10_1607 to 10.0.14393.9060 (exc)
microsoft windows_10_1607 to 10.0.14393.9060 (exc)
microsoft windows_10_1809 to 10.0.17763.8644 (exc)
microsoft windows_10_1809 to 10.0.17763.8644 (exc)
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_2016 to 10.0.14393.9060 (exc)
microsoft windows_server_2019 to 10.0.17763.8644 (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-357 The user interface provides a warning to a user regarding dangerous or sensitive operations, but the warning is not noticeable enough to warrant attention.
Attack-Flow Graph
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Executive Summary

This vulnerability involves insufficient user interface warnings for dangerous operations in Windows Remote Desktop. It allows an unauthorized attacker to perform spoofing attacks over a network.

Compliance Impact

The provided information does not specify how this vulnerability affects compliance with common standards and regulations such as GDPR or HIPAA.

Impact Analysis

The vulnerability can impact you by enabling an attacker to spoof legitimate Windows Remote Desktop operations, potentially misleading users and causing unauthorized actions or information disclosure.

Mitigation Strategies

To mitigate the vulnerability CVE-2026-26151, it is recommended to apply the security updates provided by Microsoft for Windows Remote Desktop as soon as possible.

Since the vulnerability involves insufficient UI warnings that allow spoofing, users should be cautious when interacting with Remote Desktop sessions and verify the authenticity of remote connections.

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