notepad-plus-plus notepad++ Schwachstellen (CVE)

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10 Ergebnisse
5.0Mittel
CVE-2026-48770

Notepad++ WM_COPYDATA COPYDATA_FULL_CMDLINE local DoS crash

notepad-plus-plus notepad-plus-plus

Notepad++ is a free and open-source source code editor. Prior to 8.9.6.1, a local process in the same interactive Windows session can send a malformed WM_COPYDATA message to Notepad++ using the COPYDATA_FULL_CMDLINE path. The handler appears to process COPYDA…

7.5Hoch
CVE-2026-52885

Notepad++ TOCTOU: HMAC Checks Disk, Executes from Memory

notepad-plus-plus notepad-plus-plus

Notepad++ is a free and open-source source code editor. Prior to 8.9.6.4, NppCommands.cpp checks the HMAC of the on-disk shortcuts.xml at the moment a user command fires (Time-of-Check). However, the command payload is taken from the in-memory _userCommands v…

7.8Hoch
CVE-2026-52884

Notepad++: CVE-2026-48800 Bypass

notepad-plus-plus notepad-plus-plus

Notepad++ is a free and open-source source code editor. In v8.9.6.1, isInTrustedDirectory() does NOT canonicalize the path before checking. It uses a prefix-based check (PathIsPrefix() or equivalent) that matches paths starting with trusted directory strings.…

4.4Mittel
CVE-2026-6539

Notepad++ 8.9.3 Format String Injection via nativeLang.xml

Notepad++ Notepad++

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 …

7.3Hoch
CVE-2026-25926

Notepad++ has an Untrusted Search Path

notepad-plus-plus notepad-plus-plus

Notepad++ is a free and open-source source code editor. An Unsafe Search Path vulnerability (CWE-426) exists in versions prior to 8.9.2 when launching Windows Explorer without an absolute executable path. This may allow execution of a malicious explorer.exe i…

7.7Hoch
CVE-2025-15556 KEV

Notepad++ < 8.8.9 WinGUp Updater Lacks Update Integrity Verification

notepad-plus-plus notepad-plus-plus

Notepad++ versions prior to 8.8.9, when using the WinGUp updater, contain an update integrity verification vulnerability where downloaded update metadata and installers are not cryptographically verified. An attacker able to intercept or redirect update traff…

1.7%EPSS