What’s Vulnerable › Vulnerabilities
CVE-2026-4744: Notepad3 Bundled Oniguruma compile_string_node() Heap Buffer Overflow via Crafted Regex Pattern Allows Arbitrary Code Execution
- Severity: critical (CVSS 9.3 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-03-24 · updated 2026-06-17
- Weakness: CWE-125
Description
Out-of-bounds Read vulnerability in rizonesoft Notepad3 (scintilla/oniguruma/src modules). This vulnerability is associated with program files regcomp.C. This issue affects Notepad3: before 6.25.714.1.
Affected products
- rizonesoft Notepad3: all versions
References
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