Is CVE-2026-25203 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2026-25203, but active exploitation has not been confirmed.

Can CVE-2026-25203 be exploited remotely?

No. CVE-2026-25203 requires local access to exploit.

What is the CVSS score of CVE-2026-25203?

CVE-2026-25203 has a CVSS score of 7.8 (HIGH).

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HIGHPOC

CVE-2026-25203

CWE-276Published: April 10, 2026· Updated: Apr 13, 2026

7.8

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:1.1th

Official Description

Samsung MagicINFO 9 Server Incorrect Default Permissions Local Privilege Escalation Vulnerability

This issue affects MagicINFO 9 Server: less than 21.1091.1.

NVD Source

Technical Analysis

CVE-2026-25203 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-2026-25203. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.