SB20260414131 - Security feature bypass in Microsoft Power Apps
Published: April 14, 2026
Security Bulletin ID
SB20260414131
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Neutralization of Escape, Meta, or Control Sequences (CVE-ID: CVE-2026-26149)
CWE-ID: CWE-150 - Improper Neutralization of Escape, Meta, or Control Sequences
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper neutralization of escape, meta, or control sequences in Microsoft Power Apps. A remote user can bypass the security warning dialog that is meant to clearly inform users when an app is attempting to open an external protocol.
Remediation
Install update from vendor's website.