Is CVE-2018-25217 actively exploited?

No active exploitation of CVE-2018-25217 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-25217 be exploited remotely?

No. CVE-2018-25217 requires local access to exploit.

What is the CVSS score of CVE-2018-25217?

CVE-2018-25217 has a CVSS score of 7.8 (HIGH).

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HIGH

CVE-2018-25217

CWE-787Published: March 26, 2026· Updated: Mar 27, 2026

7.8

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:2.7th

Official Description

PDF Explorer 1.5.66.2 contains a structured exception handler (SEH) overflow vulnerability that allows local attackers to execute arbitrary code by overwriting SEH records with malicious data. Attackers can craft a payload with buffer overflow, NSEH jump, and ROP gadget chains that execute when the Custom fields settings dialog processes the malicious input in the Label field.

NVD Source

Technical Analysis

CVE-2018-25217 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-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.