CVE-2026-6539 Notepad++ 8.9.3 Format String Injection via nativeLang.xml

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...

PT-2026-36185

Name of the Vulnerable Software and Affected Versions Notepad++ version 8.9.3 Description A format string injection exists in the Find Results panel handler. This occurs when the application processes a maliciously crafted nativeLang.xml language pack file. An attacker can distribute a poisoned...

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 ...

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 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

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...

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...

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...

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++ < 8.9.3 libcurl TLS CA Store Caching (CVE-2025-14819)

The version of Notepad++ installed on the remote host is prior to 8.9.3. It is, therefore, affected by a vulnerability: - A flaw exists in the bundled libcurl library used by WinGUp, the Notepad++ updater. When doing TLS related transfers with reused easy or multi handles and altering the...

CVE-2026-34401

XML Notepad is a Windows program that provides a simple intuitive User Interface for browsing and editing XML documents. Prior to version 2.9.0.21, XML Notepad does not disable DTD processing by default which means external entities are resolved automatically. There is a well known attack related...