Microsoft Patches Notepad Markdown Remote-Execution Bug

Microsoft patched a February 2026 security flaw in Notepad that allowed attackers to execute arbitrary code when users clicked malicious links in Markdown files. The bug stemmed from Markdown support added alongside Copilot integration, part of a broader AI feature expansion in Windows. Users should install the "2026-02 Security Update" to remove the vulnerability and mitigate exploitation risk.
Scoring Rationale
Broad Windows impact and official patch justify high score, but story concerns a single bug without systemic evidence.
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