# CVE-2026-121663

VS Code input-filter bypass allows unauthorized actions over network

- Page: https://www.vulneraibility.com/cve/CVE-2026-121663
- CVSS: 8.8
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 1.00% (percentile 63.1)
- CISA SSVC: exploitation none, automatable no, technical impact total (assessed 2026-11-11)
- Weakness: CWE-184
- Published: 2026-11-10

## Affected versions

- Microsoft Visual Studio Code: affected >= 1.0.0 and < 1.145.3

A version outside these ranges is not a statement that it is unaffected.

## Impact

Remote attacker can bypass VS Code's disallowed-input checks to deliver/execute malicious inputs, enabling unauthorized actions or possible code execution in editor/remote sessions.

## Action

Patch when possible

## Recommendation

Install vendor update immediately; restrict remote VS Code access and audit extensions.

## References

- [patch] https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-121663

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.