CVE-2026-23656
Received Received - Intake
Spoofing Vulnerability in Windows App Installer Due to Insufficient Data Verification

Publication date: 2026-03-10

Last updated on: 2026-03-12

Assigner: Microsoft Corporation

Description
Insufficient verification of data authenticity in Windows App Installer allows an unauthorized attacker to perform spoofing over a network.
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Meta Information
Published
2026-03-10
Last Modified
2026-03-12
Generated
2026-06-16
AI Q&A
2026-03-10
EPSS Evaluated
2026-06-15
NVD
CVE-2026-23656
EUVD
EUVD-2026-10579
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft windows_app to 2.0.964.0 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-345 The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.
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Executive Summary

This vulnerability involves insufficient verification of data authenticity in the Windows App Installer. Because of this weakness, an unauthorized attacker can perform spoofing attacks over a network.

Impact Analysis

The impact of this vulnerability is spoofing, which means an attacker could impersonate a trusted source or manipulate data during installation processes. This can lead to installing malicious software or misleading users, potentially compromising system integrity.

Compliance Impact

I don't know

Detection Guidance

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Mitigation Strategies

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