AUGUST 4, 2026
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Case File

CVE-2019-6493

MEDIUM · CVSS 5.5 EPSS 0.49%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-04-11 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. See the original NVD description below for full technical details.

CVE
CVE-2019-6493
Severity
MEDIUM
CVSS
5.5
EPSS
0.49%

Original NVD Description

SmartDefragDriver.sys (2.0) in IObit Smart Defrag 6 never frees an executable kernel pool that is allocated with user defined bytes and size when IOCTL 0x9C401CC0 is called. This kernel pointer can be leaked if the kernel pool becomes a "big" pool.

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