SB2026090105 - Improper Authorization in Handler for Custom URL Scheme in Myna Point App
Published: September 1, 2026
Security Bulletin ID
SB2026090105
CSH 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 vulnerability.
1) Improper Authorization in Handler for Custom URL Scheme (CVE-ID: CVE-2026-73335)
CWE-ID: CWE-939 - Improper Authorization in Handler for Custom URL Scheme
CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper authorization in handler for custom URL scheme in Microsoft Authenticator. A remote attacker can use a malicious application installed on the user's Android device to execute arbitrary JavaScript.
Remediation
Install update from vendor's website.