CVE-2018-8406KEV · OVERDUE

Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability

High · published August 15, 2018

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.8. It is confirmed in active exploitation. It sits in the 88.9th percentile for exploit probability.

1649
days past CISA
deadline
CVSS v3.1
7.8
EPSS
3%
Percentile
88.9
In the wild
Confirmed
What it is

🚨 When your DirectX Graphics Kernel has a memory mishap, it opens the door to all kinds of trouble! ⚡ Think of the DXGKRNL as a busy restaurant kitchen that mismanages its orders — without proper checks, anyone could sneak in and take over the cooking! This vulnerability allows an attacker to gain elevated privileges, which means they could execute arbitrary code, access sensitive data, or even take control of the entire system. Imagine a rogue chef scrambling to steal everyone's recipes or altering orders just for fun! This kind of intrusion could lead to a catastrophic breach of security.

Put simply

Think of the DXGKRNL as a busy restaurant kitchen that mismanages its orders — without proper checks, anyone could sneak in and take over the cooking! CVE-2018-8406 arises from the DirectX Graphics Kernel improperly handling memory objects, which can be exploited to elevate privileges and execute malicious code. This flaw affects Windows Server 2016 and Windows 10 systems.

What to do

This vulnerability allows an attacker to gain elevated privileges, which means they could execute arbitrary code, access sensitive data, or even take control of the entire system. Imagine a rogue chef scrambling to steal everyone's recipes or altering orders just for fun! This kind of intrusion could lead to a catastrophic breach of security. To protect your system, immediately apply the latest security updates provided by Microsoft. Regularly audit your software and ensure that you have robust security measures in place to detect any unauthorized access attempts. You've got this! Follow these steps to secure your systems and keep those sneaky chefs out of the kitchen! 🛡️

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.03444 · 88.9th percentile
Published
2018-08-15T17:00Z
KEV added
2022-03-28 · due 2022-04-18
EPSS history
Timeline
  • 28 MAR 00:00Z
    Added to CISA KEV — remediate by Apr 18
    kev
  • 15 AUG 17:00Z
    An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory, aka "DirectX Graphics…
    cvelistv5