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CVE-2026-23656
Published: Mar 10, 2026
Modified: Apr 14, 2026
PUBLISHED
CVSS v3.1
5.9
MEDIUM
Description
Insufficient verification of data authenticity in Windows App Installer allows an unauthorized attacker to perform spoofing over a network.
| Vendor | Product | Versions |
|---|---|---|
Microsoft | Windows App Client for Windows Desktop | affected 1.00 - < 2.0.964 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
References
Windows App Installer Spoofing Vulnerability
vendor-advisory
patch
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