CVE-2026-25880

πŸ”΄ HIGH

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 use...

Published
Feb 09, 2026
Last Modified
Feb 10, 2026
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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 β†’ β€œShow 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.

CVSS Scores

CVSS 3.1 7.8
7.8
HIGH
CVSS 2.0 7.8

References

Additional Information

Source
security-advisories@github.com
State
Undergoing analysis

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