CVE-2025-59499CWE-89

Microsoft SQL Server Elevation of Privilege Vulnerability

High · published November 11, 2025

CVSS v3.1
8.8
EPSS
1%
Percentile
67.4
In the wild
Unconfirmed
What it is

⚡ An authorized attacker can twist SQL commands like a magician pulling a rabbit out of a hat! 🎩 This SQL injection vulnerability in SQL Server lets them elevate privileges over the network with relative ease. Think of it like a restaurant where the chef takes orders without verifying if the customers are allowed in the kitchen. If someone sneaks in with a fake pass and gets to use all the fancy kitchen tools, chaos can ensue! This vulnerability could allow an attacker to gain unauthorized access to sensitive data, manipulate databases, or even control the entire system. Imagine someone not only walking into the kitchen but also changing the menu without permission! This could lead to a complete breakdown of database security and integrity.

Put simply

Think of it like a restaurant where the chef takes orders without verifying if the customers are allowed in the kitchen. If someone sneaks in with a fake pass and gets to use all the fancy kitchen tools, chaos can ensue! The flaw lies in improper neutralization of special elements in SQL commands, allowing an attacker with valid credentials to inject malicious SQL code and elevate their privileges.

What to do

This vulnerability could allow an attacker to gain unauthorized access to sensitive data, manipulate databases, or even control the entire system. Imagine someone not only walking into the kitchen but also changing the menu without permission! This could lead to a complete breakdown of database security and integrity. To mitigate this issue, ensure that all SQL queries are properly sanitized and parameterized. Apply security patches to SQL Server as soon as they are available, and regularly audit user privileges to catch any unauthorized access early. You've got this! Follow these steps and you’ll be on your way to securing your SQL Server in no time. 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.01177 · 67.4th percentile
Weakness
CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Published
2025-11-11T17:59Z
EPSS history
Timeline
  • 11 NOV 17:59Z
    Microsoft SQL Server Elevation of Privilege Vulnerability
    cvelistv5