CVE-2026-23656: Windows App Installer Spoofing Vulnerability

Published Mar 10, 2026
·
Updated

Insufficient verification of data authenticity in Windows App Installer allows an unauthorized attacker to perform spoofing over a network.

Other sources

Windows App Installer Spoofing Vulnerability

— Microsoft

Affected Software

2 affected componentsFixes available
Microsoft Windows App Client for Windows Desktop
Microsoft Windows App Windows<2.0.964.0

Event History

Mar 10, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:05 PM
Data Sourced
via MITRE·05:05 PM
DescriptionSeverity
Data Sourced
via NVD·06:18 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-23656?

CVE-2026-23656 is considered to be a high severity vulnerability due to its potential for unauthorized spoofing attacks.

2

How do I fix CVE-2026-23656?

To mitigate CVE-2026-23656, users should update to the latest version of Windows App Client for Windows Desktop as provided in the patch.

3

Who is affected by CVE-2026-23656?

CVE-2026-23656 affects users of Microsoft Windows App Client for Windows Desktop versions prior to 2.0.964.0.

4

What type of vulnerability is CVE-2026-23656?

CVE-2026-23656 is a spoofing vulnerability caused by insufficient verification of data authenticity.

5

Can CVE-2026-23656 be exploited remotely?

Yes, CVE-2026-23656 can be exploited remotely, allowing attackers to spoof data over a network.

Company

Resources

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