Notepad++ Is A Proper Text Editor

[Snake Man]

Notepad++ v8.9.9 has been released.

2026-11-06

6 vulnerabilities are fixed in the release 8.9.9:

Vulnerability: Fix WM_COPYDATA sender authentication bypass. CVE ID not assigned yet
Vulnerability: Fix WM_COPYDATA privilege escalation allowing launch plugin commands execution. CVE ID not assigned yet
Vulnerability: Fix TOCTOU risk when saving temp file under UAC. CVE ID not assigned yet
Vulnerability: Fix heap disclosure. CVE ID not assigned yet
Vulnerability: Fix out-of-bounds array access via NPPM_MENUCOMMAND. CVE ID not assigned yet
Vulnerability: Fix heap buffer overflow in SAML decode of MIME Tools plugin. CVE ID not assigned yet

News v8.9.9 released and Download v8.9.9.

[Snake Man]

Notepad++ v8.9.9.1 has been released.

2026-11-11

3 regressions are fixed in the release 8.9.9.1:

Fix regression in pasting into virtual space in multi paste mode. (Fix #18606)
Fix regression where Folder as Workspace not load entirely if a symlink in the folder. (Fix #18621)
Fix regression where save fails under UAC in Administrator Protection mode. (Fix #18604)

News v8.9.9.1 released and Download v8.9.9.1.