GCVE-110-OSM-2026-9481

Malicious VS Code extension removed from Microsoft VS Code Marketplace. Extension ID: qutto.markdown-navigation-new Publisher: qutto Removal Date: 7/29/2026 Violation Type: impersonation This extension was identified and removed by Microsoft from the VS Code Marketplace for violating marketplace policies. The removal indicates potential security risks for users who may have installed this extension. Source: https://github.com/microsoft/vsmarketplace/blob/main/RemovedPackages.md GitHub exposure: 9 public file(s) on GitHub reference this extension (e.g. .vscode/extensions.json recommendations, devcontainer configs, or docs). These repositories may be distributing or recommending the removed extension: - mthcht/awesome-lists: Lists/VSCODE Extensions/feeds/ioc_all_extension_ids.txt - mthcht/awesome-lists: Lists/VSCODE Extensions/feeds/ioc_high_risk_extension_ids.txt - microsoft/vsmarketplace: RemovedPackages.md - vsxsentry/vsxsentry.github.io: feeds/ioc_all_extension_ids.txt - vsxsentry/vsxsentry.github.io: feeds/ioc_high_risk_extension_ids.txt - vsxsentry/vsxsentry.github.io: feeds/vsxsentry_opencti_import.csv - vsxsentry/vsxsentry.github.io: feeds/vsxsentry_misp_warninglist.json - vsxsentry/vsxsentry.github.io: feeds/vsxsentry_sentinel_watchlist.csv - kalachkar/vsmex: metadata/msft_vscode_flagged_extensions.csv Extension impersonates another legitimate extension or publisher.