Cybersecurity · 43 views
Notepad++ vulnerabilities could enable arbitrary code execution on Windows systems
Two arbitrary code execution vulnerabilities in Notepad++ let local attackers run commands of their choice on Windows machines by tampering with the editor’s XML configuration files, with both flaws rated High at CVSS 7.8.
AI Summary
Two vulnerabilities in Notepad++ have been identified, allowing local attackers to execute arbitrary code on Windows systems. These flaws, tracked as CVE-2026-48778 and CVE-2026-48800, affect all versions of the editor up to 8.9.6. The vulnerabilities can be exploited by tampering with the editor's XML configuration files. Both flaws have been rated High at CVSS 7.8, indicating a significant risk. Notably, the issues share a common design weakness, where user choices are stored in a way that can be manipulated. A patch for the vulnerabilities was released the same day, in version 8.9.6.1, which also addressed a third, lower-severity bug.
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