CVE-2026-4744 | rizonesoft Notepad3 prior 6.25.714.1 regcomp.C out-of-bounds

VDB-352681 · CVE-2026-4744 · GCVE-0-2026-4744 RIZONESOFT NOTEPAD3 PRIOR 6.25.714.1 REGCOMP.C OUT-OF-BOUNDS HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.1 $0-$5k 2.29+ Summaryinfo A vulnerability was found in rizonesoft Notepad3. It has been rated as problematic. Affected is an unknown function of the file regcomp.C. This manipulation causes out-of-bounds. This vulnerability is handled as CVE-2026-4744. It is possible to launch the attack on the local host. There is not any exploit available. Upgrading the affected component is advised. Detailsinfo A vulnerability was found in rizonesoft Notepad3. It has been declared as problematic. Affected by this vulnerability is an unknown function of the file regcomp.C. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is: 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. The advisory is shared at github.com. This vulnerability is known as CVE-2026-4744 since 03/24/2026. The exploitation appears to be easy. An attack has to be approached locally. Technical details are known, but no exploit is available. It is declared as attacked. Upgrading to version 6.25.714.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. Productinfo Vendor rizonesoft Name Notepad3 Website Product: https://github.com/rizonesoft/Notepad3/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 5.3 VulDB Meta Temp Score: 5.1 VulDB Base Score: 5.3 VulDB Temp Score: 5.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Out-of-bounds CWE: CWE-125 / CWE-119 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: Partially Availability: 🔒 Status: Attacked Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Notepad3 6.25.714.1 Patch: github.com Timelineinfo 03/24/2026 Advisory disclosed 03/24/2026 +0 days CVE reserved 03/24/2026 +0 days VulDB entry created 03/24/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: github.com Status: Confirmed CVE: CVE-2026-4744 (🔒) GCVE (CVE): GCVE-0-2026-4744 GCVE (VulDB): GCVE-100-352681 Entryinfo Created: 03/24/2026 07:28 Changes: 03/24/2026 07:28 (74) Complete: 🔍 Cache ID: 99:91F:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸