ACTIVELY EXPLOITED

CVE-2018-8414: Microsoft Windows Shell Remote Code Execution Vulnerability

Facts
VendorMicrosoft
ProductWindows
Actively exploitedYes
Added to CISA KEV25 Mar 2022
CISA federal deadline15 Apr 2022
Weakness (CWE)CWE-20

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

A remote code execution vulnerability exists when the Windows Shell does not properly validate file paths.

SOURCES

Other Microsoft flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.