CVE-2026-6539: Use of Externally-Controlled Format String

Notepad++ 8.9.3 contains a format string injection vulnerability in the Find Results panel handler that allows attackers to cause denial of service and information disclosure by crafting a malicious nativeLang.xml language pack file. Attackers can distribute a poisoned language pack through...

Notepad++ 格式化字符串错误漏洞

Notepad++ is an open-source plain-text editor developed by Don Ho of Taiwan, China. Version 8.9.3 of Notepad++ has a vulnerability related to format strings. This vulnerability stems from format string injection in the Find Results panel’s processing logic, which may lead to denial-of-service...

Notepad++ < 8.9.4 Multiple Vulnerabilities

The version of Notepad++ installed on the remote host is prior to 8.9.4. It is, therefore, affected by multiple vulnerabilities: - A string injection vulnerability exists in the FindInFiles feature. When the nativeLang.xml file's 'find-result-hits' element contains a format string specifier such ...

The vulnerability of the search function in the text editor Notepad++ allows a perpetrator to gain unauthorized access to protected information and cause service failure.

The vulnerability of the search function in the Notepad++ text editor is related to deficiencies in the formatting string processing mechanism. Exploiting this vulnerability can allow attackers to gain unauthorized access to protected information and cause service failures through a specially...

CVE-2026-3008 Vulnerability in Notepad++

Successful exploitation of the string injection vulnerability could allow an attacker to obtain memory address information or crash the application...

CVE-2026-3008 Vulnerability in Notepad++

Successful exploitation of the string injection vulnerability could allow an attacker to obtain memory address information or crash the application...

CVE-2026-3008

CVE-2026-3008 is a Notepad++ string-injection vulnerability in the Find Results flow. A vulnerability in sub_1400916C0 formats the Find Results count label using a localized string from nativeLang.xml as the wsprintfW format string, with no validation of the string flow. This can cause a crash (D...

Notepad++ 格式化字符串错误漏洞

Notepad++ is an open-source plain-text editor developed by Don Ho of Taiwan, China. Notepad++ has a vulnerability related to formatted string handling, which stems from string injection issues. This vulnerability may allow attackers to obtain memory address information or cause the application to...

Exploit for CVE-2026-3008

CVE-2026-3008 — Notepad++ 8.9.3 Format String Injection via na...

Notepad++ <= 8.9.3 Stack-based Buffer Overflow (CVE-2026-5525)

The version of Notepad++ installed on the remote host is 8.9.3 or earlier. It is, therefore, affected by a stack-based buffer overflow vulnerability: - A stack-based buffer overflow exists in the file drop handler component WMDROPFILES. When a user drags and drops a directory path of exactly 259...

EUVD-2026-21334

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...

CVE-2026-5525

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...

CVE-2026-5525

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...

CVE-2026-5525

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...

CVE-2026-5525 Stack-Based Buffer Overflow in Notepad++ File Drop Handler leads to DoS

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...

CVE-2026-5525 Stack-Based Buffer Overflow in Notepad++ File Drop Handler leads to DoS

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...

CVE-2026-5525

CVE-2026-5525 affects Notepad++ up to version 8.9.3. The issue is a stack-based buffer overflow in the file drop handler (WM_DROPFILES) when dropping a directory path of exactly 259 characters without a trailing backslash. The handler appends a backslash and a null terminator without proper bound...

PT-2026-31894

Name of the Vulnerable Software and Affected Versions Notepad++ version 8.9.3 Description A stack-based buffer overflow exists 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 backsla...

Notepad++ 安全漏洞

Notepad++ is an open-source plain-text editor developed by Don Ho of Taiwan, China. Version 8.9.3 of Notepad++ contains a security vulnerability. This vulnerability arises from the file drag-and-drop processing component, which may add slashes and empty terminators when users drag a directory pat...

CVE-2026-5525: Stack-based Buffer Overflow

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...