Notepad++ Project Notepad vulnerabilities

CVE-2026-5525 [HIGH] CWE-121 CVE-2026-5525: A stack-based buffer overflow vulnerability exists in Notepad++ version 8.9.3 in the file drop handl A stack-based buffer overflow vulnerability exists in Notepad++ version 8.9.3 in the file drop handler component. When a user drags and drops a directory path of exactly 259 characters without a trailing backslash, the application appends a backslash and null terminator without proper bounds checking, resulting in a stack buffer overflow and application