Notepad3

1 CVEs product

Monthly

CVE-2026-4744 CRITICAL PATCH Act Now

Out-of-bounds read vulnerability in Notepad3's Oniguruma regex engine (regcomp.C) allows local attackers with user interaction to trigger memory disclosure or potential code execution with high impact on confidentiality, integrity, and availability. The vulnerability affects all versions before 6.25.714.1 and has a critical CVSS score of 9.3. A patch is available and users should update immediately.

Buffer Overflow Information Disclosure Notepad3
NVD GitHub VulDB
CVSS 4.0
9.3
EPSS
0.0%
CVE-2026-4744
EPSS 0% CVSS 9.3
CRITICAL PATCH Act Now

Out-of-bounds read vulnerability in Notepad3's Oniguruma regex engine (regcomp.C) allows local attackers with user interaction to trigger memory disclosure or potential code execution with high impact on confidentiality, integrity, and availability. The vulnerability affects all versions before 6.25.714.1 and has a critical CVSS score of 9.3. A patch is available and users should update immediately.

Buffer Overflow Information Disclosure Notepad3
NVD GitHub VulDB

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