{"uuid": "3e33f1ef-5157-44e6-818c-2f635001a173", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20841", "type": "seen", "source": "https://t.me/hn_best_comments/28918", "content": "Re: Windows 11 Notepad to support Markdown\n\nI believe Markdown support is what led to CVE-2026-20841 earlier this month.\n\n20260211 https://news.ycombinator.com/item?id=46971516 Windows Notepad App Remote Code Execution Vulnerability (804 points, 516 comments)\n\n20260210 https://msrc.microsoft.com/update-guide/vulnerability/CVE-20...\n\n> \"An attacker could trick a user into clicking a malicious link inside a Markdown file opened in Notepad\"\n\nOther recent Notepad issues:\n\n20260207 https://news.ycombinator.com/item?id=46927098 Microsoft account bugs locked me out of Notepad \u2013 Are thin clients ruining PCs? (187 points, 284 comments)\n\n20260127 https://news.ycombinator.com/item?id=46780451 Windows 11 January Update Breaks Notepad (60 points, 25 comments)\n\npassword4321, 6 hours ago", "creation_timestamp": "2026-07-29T12:01:06.530460Z"}