CVE-2026-23656
Windows App Installer Spoofing Vulnerability
At a glance
- Severity
- MEDIUM 5.9
- EPSS
- EPSS 0.32 % · percentile 24 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- microsoft
- NVD status
- Analyzed
Description
Insufficient verification of data authenticity in Windows App Installer allows an unauthorized attacker to perform spoofing over a network.
Scores
| Version | Score | Vector | Scored by |
|---|
| CVSS 3.1 | MEDIUM 5.9 | 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 |
| CVSS 3.1 | MEDIUM 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N | NVD · secure@microsoft.com (Secondary) |
Weaknesses (CWE)
European references
CERT-FR advisories
Affected configurations (NVD CPE)
cpe:2.3:a:microsoft:windows_app:*:*:*:*:*:windows:*:* < 2.0.964.0
Affected products
References
Sources
