Improper Neutralization of Escape, Meta, or Control Sequences in Power Apps - CVE-2026-26149
Published: April 14, 2026
Vulnerability identifier: #VU126007
CSH Severity: Medium
CVSS v4.0: 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
CVE-ID: CVE-2026-26149
CWE-ID: CWE-150
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Power Apps
Power Apps
Detailed vulnerability description
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.
How to mitigate CVE-2026-26149
Install updates from vendor's website.