Is CVE-2018-25259 actively exploited?

No active exploitation of CVE-2018-25259 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-25259 be exploited remotely?

No. CVE-2018-25259 requires local access to exploit.

What is the CVSS score of CVE-2018-25259?

CVE-2018-25259 has a CVSS score of 8.4 (HIGH).

HOME VULNERABILITIESCVE-2018-25259

HIGH

CVE-2018-25259

CWE-306Published: April 22, 2026· Updated: Apr 22, 2026

8.4

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:1.6th

Official Description

Terminal Services Manager 3.1 contains a stack-based buffer overflow vulnerability in the computer names field that allows local attackers to execute arbitrary code by triggering structured exception handling. Attackers can craft a malicious input file with shellcode and jump instructions that overwrite the SEH handler pointer to execute calc.exe or other payloads when imported through the add computers wizard.

NVD Source

Technical Analysis

CVE-2018-25259 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

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 8.4.