CVE-2026-23656
Windows App Installer Spoofing Vulnerability
- State
- Published
- Severity
- 5.9 Medium
- Published
- Mar 10, 2026
- Updated
- Jun 19, 2026
- Reserved
- Jan 14, 2026
Description
Insufficient verification of data authenticity in Windows App Installer allows an unauthorized attacker to perform spoofing over a network.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.9 Medium | 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 | microsoft |
Weaknesses
- CWE-345 Insufficient Verification of Data Authenticity
Affected Products
| Product | Versions |
|---|---|
Windows App Client for Windows DesktopMicrosoft |
|
References
- Windows App Installer Spoofing Vulnerabilityvendor-advisorypatch
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