CVE-2026-25880
7.8 · HIGHOverview
CVE-2026-25880 is a high-severity vulnerability affecting sumatrapdfreader sumatrapdf. It was published on February 9, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
SumatraPDF is a multi-format reader for Windows. In 3.5.2 and earlier, the PDF reader allows execution of a malicious binary (explorer.exe) located in the same directory as the opened PDF when the user clicks File → “Show in folder”. This behavior leads to arbitrary code execution on the victim’s system with the privileges of the current user, without any warning or user interaction beyond the menu click.
Remediation
Check the references section for vendor advisories and patches from sumatrapdfreader. Update sumatrapdf to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| sumatrapdfreader | sumatrapdf | 0 | Affected |
Frequently Asked Questions
What is CVE-2026-25880?
CVE-2026-25880 is a high-severity vulnerability affecting sumatrapdfreader sumatrapdf. It was published on February 9, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2026-25880?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-25880?
Check the references section for vendor advisories and patches from sumatrapdfreader. Update sumatrapdf to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-25880?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-25880 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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