CVE-2025-67826

An issue was discovered in K7 Ultimate Security 17.0.2045

High · published December 22, 2025

CVSS v3.1
7.7
EPSS
0%
Percentile
3.7
In the wild
Unconfirmed
What it is

⚡ A local unprivileged user can exploit this vulnerability to escalate privileges all the way to SYSTEM! This is a dream come true for any malicious insider looking to take control of your K7 Ultimate Security! 🔥 Think of it like a waiter in a restaurant who finds a secret door to the kitchen; once inside, they can change orders, mess with recipes, or even access sensitive information about customers. In this case, the insecure access to a named pipe acts as that secret door, giving the unprivileged user carte blanche to edit registry keys. An attacker could leverage this vulnerability to gain full control over the system, making it possible to install malicious software, access sensitive data, and more. Essentially, once they sneak through that door, they could wreak absolute havoc on the system, jeopardizing the entire network’s security.

Put simply

Think of it like a waiter in a restaurant who finds a secret door to the kitchen; once inside, they can change orders, mess with recipes, or even access sensitive information about customers. In this case, the insecure access to a named pipe acts as that secret door, giving the unprivileged user carte blanche to edit registry keys. This Local Privilege Escalation (LPE) vulnerability in K7 Ultimate Security stems from insecure access to a named pipe, allowing unprivileged users to modify any registry key and gain SYSTEM-level privileges.

What to do

An attacker could leverage this vulnerability to gain full control over the system, making it possible to install malicious software, access sensitive data, and more. Essentially, once they sneak through that door, they could wreak absolute havoc on the system, jeopardizing the entire network’s security. To protect your systems, update K7 Ultimate Security to the latest version available. Review your installation settings to ensure named pipes are secured, and consider running regular security audits to detect any unusual activities. 🔒 You've got this! Follow these steps and you'll have your system fortified in no time. 🛡️

The record
Technical detail
CVSS v3.1
7.7 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00148 · 3.7th percentile
Published
2025-12-22T00:00Z
EPSS history
Timeline
  • 22 DEC 00:00Z
    An issue was discovered in K7 Ultimate Security 17.0.2045
    cvelistv5