SB2026031064 - Insufficient verification of data authenticity in Microsoft Windows App Installer
Published: March 10, 2026
Security Bulletin ID
SB2026031064
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Insufficient verification of data authenticity (CVE-ID: CVE-2026-23656)
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.
Remediation
Install update from vendor's website.