CVE-2018-8414KEV · OVERDUE

Microsoft Windows Shell Remote Code Execution Vulnerability

High · published August 15, 2018

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 8.8. It is confirmed in active exploitation. It sits in the 99.4th percentile for exploit probability.

1652
days past CISA
deadline
CVSS v3.1
8.8
EPSS
73%
Percentile
99.4
In the wild
Confirmed
What it is

🚨 A sneaky oversight in the Windows Shell lets attackers run code remotely with a simple malformed file path! 🔥 Think of it like a restaurant where the kitchen accepts any order without checking the menu first — once a tricky request slips through, the chef can cook up anything they want, and chaos ensues! This vulnerability is absolutely devastating, allowing attackers to execute arbitrary code on affected systems. They could gain full control over servers running Windows 10, wreaking havoc, stealing sensitive data, or even spreading malware throughout the network! ⚡

Put simply

Think of it like a restaurant where the kitchen accepts any order without checking the menu first — once a tricky request slips through, the chef can cook up anything they want, and chaos ensues! CVE-2018-8414 arises because the Windows Shell fails to properly validate file paths, which means an attacker can craft a request that exploits this oversight to execute their own code.

What to do

This vulnerability is absolutely devastating, allowing attackers to execute arbitrary code on affected systems. They could gain full control over servers running Windows 10, wreaking havoc, stealing sensitive data, or even spreading malware throughout the network! ⚡ To remediate, ensure you're running the latest updates for Windows 10 and Windows 10 Servers, particularly the patches that address this vulnerability. Regularly audit and tighten shell security configurations to reduce potential attack surfaces. 🛡️ You’ve got this! Stay on top of those patches, and you'll keep your systems secure. 😄

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.72621 · 99.4th percentile
Published
2018-08-15T17:00Z
KEV added
2022-03-25 · due 2022-04-15
EPSS history
Timeline
  • 25 MAR 00:00Z
    Added to CISA KEV — remediate by Apr 15
    kev
  • 15 AUG 17:00Z
    A remote code execution vulnerability exists when the Windows Shell does not properly validate file paths, aka "Windows Shell Remote Code Execution…
    cvelistv5