Is CVE-2017-14311 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2017-14311, but active exploitation has not been confirmed.

Can CVE-2017-14311 be exploited remotely?

No. CVE-2017-14311 requires local access to exploit.

What is the CVSS score of CVE-2017-14311?

CVE-2017-14311 has a CVSS score of 7.8 (HIGH).

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HIGHPOC

CVE-2017-14311

NVD-CWE-noinfoPublished: September 19, 2017· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

The Winring0x32.sys driver in NetMechanica NetDecision 5.8.2 allows local users to gain privileges via a crafted 0x9C402088 IOCTL call.

NVD Source

Technical Analysis

CVE-2017-14311 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

A proof-of-concept (PoC) exploit exists for CVE-2017-14311. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.