Insufficient verification of data authenticity in Windows App Client for Windows Desktop - CVE-2026-23656
Published: March 10, 2026
Vulnerability identifier: #VU123698
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-23656
CWE-ID: CWE-345
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to insufficient verification of data authenticity in Windows App Installer. A remote attacker can perform spoofing on the system.
Affected software
Windows App Client for Windows Desktop
How to mitigate CVE-2026-23656
Install updates from vendor's website.
Windows App Client for Windows Desktop - update to 2.0.964