Is CVE-2018-9063 actively exploited?

No active exploitation of CVE-2018-9063 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-9063 be exploited remotely?

No. CVE-2018-9063 requires local access to exploit.

What is the CVSS score of CVE-2018-9063?

CVE-2018-9063 has a CVSS score of 7.8 (HIGH).

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HIGH

CVE-2018-9063

CWE-119Published: May 4, 2018· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

MapDrv (C:\Program Files\Lenovo\System Update\mapdrv.exe) In Lenovo System Update versions earlier than 5.07.0072 contains a local vulnerability where an attacker entering very large user ID or password can overrun the program's buffer, causing undefined behaviors, such as execution of arbitrary code. No additional privilege is granted to the attacker beyond what is already possessed to run MapDrv.

NVD Source

Technical Analysis

CVE-2018-9063 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.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.