Notepad++ 8.9.9 Released to Fix 6 Security Vulnerabilities Allowing Privilege Escalation and Command Execution

Notepad++ released version 8.9.9 on November 6, 2026, addressing six security vulnerabilities involving interprocess messaging, elevated file saves, clipboard handling, command dispatch, and MIME Tools decoding. The release announcement lists all six as fixed, with CVE identifiers not yet assigned. Several issues affect version 8.9.8 or earlier and expose local attack paths rather than unrestricted […]

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