CVE-2021-43899

Microsoft 4K Wireless Display Adapter Remote Code Execution Vulnerability

Critical · published December 15, 2021

CVSS v3.1
9.8
EPSS
3%
Percentile
85.1
In the wild
Unconfirmed
What it is

🚨 A simple connection can lead to catastrophic control! The Microsoft 4K Wireless Display Adapter has a critical remote code execution vulnerability just waiting to be exploited! 🔥 Think of it like a movie theater where anyone can simply walk in and change the film on the screen without any check-in process — all it takes is a connection to the projector! 🤯 An attacker could gain full control of the device, potentially leading to unauthorized access to your network or sensitive data. This means they could execute malicious code, manipulate system settings, or even launch further attacks against connected devices. Absolutely devastating for any home or office!

Put simply

Think of it like a movie theater where anyone can simply walk in and change the film on the screen without any check-in process — all it takes is a connection to the projector! 🤯 This vulnerability allows attackers to execute arbitrary code on the Microsoft 4K Wireless Display Adapter when it is connected, due to improper verification of input from the connection interface.

What to do

An attacker could gain full control of the device, potentially leading to unauthorized access to your network or sensitive data. This means they could execute malicious code, manipulate system settings, or even launch further attacks against connected devices. Absolutely devastating for any home or office! To protect your setup, immediately update the firmware of your Microsoft 4K Wireless Display Adapter to the latest version provided by Microsoft. Ensure that all devices connected to the adapter are similarly updated to mitigate potential risks. Regularly monitor for any further updates or patches from Microsoft! You've got this! By taking these steps, you're on your way to securing your devices and claiming your security hero status! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.02586 · 85.1th percentile
Published
2021-12-15T14:15Z
EPSS history
Timeline
  • 15 DEC 14:15Z
    Microsoft 4K Wireless Display Adapter Remote Code Execution Vulnerability
    cvelistv5