CVE-2026-54566Published
Markdown Preview Enhanced: Remote Code Execution via VM Sandbox Escape in `.crossnote/config.js` and `.crossnote/parser.js`
Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-54566 · Microsoft / collected KEV context
cve-program · CVE-2026-54566
- https://github.com/shd101wyy/vscode-markdown-preview-enhanced/security/advisories/GHSA-427h-jhpr-8jch
- https://github.com/shd101wyy/crossnote/pull/443
- https://github.com/shd101wyy/vscode-markdown-preview-enhanced/pull/2320
- https://github.com/shd101wyy/crossnote/commit/e4890d64502e53b717cce0cb73f1a78b244dc640
- https://github.com/shd101wyy/vscode-markdown-preview-enhanced/commit/0d4010988c6ae56a38c6dec4a7509cbd5a7dcb4c
- https://github.com/shd101wyy/crossnote/releases/tag/0.9.30
- https://github.com/shd101wyy/vscode-markdown-preview-enhanced/releases/tag/0.8.29
Current operational correlations are not mixed into this historical source record. Open latest evidence to discover current connections.