CVE-2026-21228CWE-295

Azure Local Remote Code Execution Vulnerability

High · published February 10, 2026

CVSS v3.1
8.1
EPSS
1%
Percentile
55.4
In the wild
Unconfirmed
What it is

⚡ An unauthorized attacker can execute code on your Azure Local server due to improper certificate validation—talk about a wild vulnerability! 🔥 Think of it like a clerk at a pop-up store who doesn’t check IDs at the door; anyone can walk in and start selling their wares, creating chaos inside. This vulnerability could allow an attacker to remotely run malicious code on your server, potentially exposing sensitive data or even taking full control of your system. Imagine losing your carefully guarded secrets because someone slipped in unnoticed!

Put simply

Think of it like a clerk at a pop-up store who doesn’t check IDs at the door; anyone can walk in and start selling their wares, creating chaos inside. The flaw stems from Azure Local not properly validating certificates, meaning an attacker can exploit this weakness to send unauthorized commands over the network.

What to do

This vulnerability could allow an attacker to remotely run malicious code on your server, potentially exposing sensitive data or even taking full control of your system. Imagine losing your carefully guarded secrets because someone slipped in unnoticed! To protect yourself, ensure you apply the latest patches from Azure immediately. Also, implement rigorous certificate validation processes to verify all incoming requests. Regular audits of your network configurations can further shield you against such attacks. You've got this! Fixing this vulnerability is a step toward making your environment stronger and safer! 🛡️

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00778 · 55.4th percentile
Weakness
CWE-295 · Improper Certificate Validation
Published
2026-02-10T17:51Z
EPSS history
Timeline
  • 10 FEB 17:51Z
    Azure Local Remote Code Execution Vulnerability
    cvelistv5