Rizonesoft maintains a focused product portfolio centered on Notepad3, a text-editor application, with vulnerability exposure characterized by resource-management weaknesses. Current exploitation activity and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Rizonesoft over time
Signals from CVEs in this vendor scope (3 CVEs).
3 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2026-38972HIGH Notepad3 through 6.25.822.1 contains a DLL search-order hijacking vulnerability in the About-dialog code path in src/Notepad3.c. The application calls LoadLibrary(L"MSFTEDIT.DLL") | Jul 2, 2026 | 7.8 | 31 | NO | NO |
CVE-2026-4744CRITICAL Out-of-bounds Read vulnerability in rizonesoft Notepad3 (scintilla/oniguruma/src modules). This vulnerability is associated with program files regcomp.C.
This issue affects Note | Mar 24, 2026 | 9.3 | 30 | NO | NO |
CVE-2024-1188MEDIUM A vulnerability, which was classified as problematic, was found in Rizone Soft Notepad3 1.0.2.350. Affected is an unknown function of the component Encryption Passphrase Handler. T | Feb 2, 2024 | 5.5 | 18 | NO | NO |
Signals from CVEs in this vendor scope (3 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Rizonesoft.
Media articles that mention a CVE ID that affects a product developed by Rizonesoft — matched by CVE ID, not by vendor name.