Notepad++ Update Mechanism Vulnerability Allows Malware Deployment

First seen 12 Dec 2025, 06:50 UTC • Cybernews

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A critical vulnerability in Notepad++'s update mechanism, WinGUp, has been identified, allowing attackers to hijack network traffic and install malware disguised as legitimate updates. The development team has released version 8.8.9 to address this issue, which has been actively exploited in the wild. Users of Notepad++ are urged to update their software to mitigate potential risks.

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Nearly 300 Fake GitHub Repositories Distributing BoryptGrab Malware Artlist Subdomain Compromised in ClickFix Campaign Using EtherHiding Technique State-Sponsored Hackers Compromise Notepad++ Update Mechanism

Notepad++ Update Mechanism Vulnerability Allows Malware Deployment

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