CVE-2026-20960CWE-285

PowerApps Desktop Client Remote Code Execution Vulnerability

High · published January 16, 2026

CVSS v3.1
8.0
EPSS
1%
Percentile
43.3
In the wild
Unconfirmed
What it is

⚡ An authorized attacker can execute arbitrary code remotely in Microsoft Power Apps thanks to an improper authorization flaw — think of it like letting someone backstage at a concert without a proper pass! 🎤 Imagine a concert where a sneaky fan manages to slip past security and take control of the sound system. They can change the music, amp up the bass, or even cut the power — that's what this vulnerability allows an attacker to do with your app's functionality! This vulnerability could allow an attacker to run any code on the network, potentially leading to data breaches, unauthorized access to sensitive information, or disruptions in service. If exploited, they could manipulate the application’s behavior and compromise your systems from the inside out!

Put simply

Imagine a concert where a sneaky fan manages to slip past security and take control of the sound system. They can change the music, amp up the bass, or even cut the power — that's what this vulnerability allows an attacker to do with your app's functionality! The flaw arises from improper authorization checks within Microsoft Power Apps, enabling authorized users to execute code over the network without appropriate restrictions. This creates a pathway for attackers to perform unauthorized actions within the application.

What to do

This vulnerability could allow an attacker to run any code on the network, potentially leading to data breaches, unauthorized access to sensitive information, or disruptions in service. If exploited, they could manipulate the application’s behavior and compromise your systems from the inside out! To remediate this issue, ensure you are running the latest version of Microsoft Power Apps with all security patches applied. Review your access controls and ensure only trusted users have the necessary permissions to mitigate potential exploitation. Regular audits of user roles are also a great practice! You've got this! By following these steps, you can secure your app and keep the bad guys at bay! 🛡️

The record
Technical detail
CVSS v3.1
8.0 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00520 · 43.3th percentile
Weakness
CWE-285 · Improper Authorization
Published
2026-01-16T21:28Z
EPSS history
Timeline
  • 16 JAN 21:28Z
    PowerApps Desktop Client Remote Code Execution Vulnerability
    cvelistv5