medium5.9
CVE-2026-23656
Insufficient verification of data authenticity in Windows App Installer allows an unauthorized attacker to perform spoofing over a network.
Impact
Insufficient verification of data authenticity in Windows App Installer allows an unauthorized attacker to perform spoofing over a network.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows App | before 2.0.964.0 |