# CVE-2026-121224

Chrome macOS sandbox escape enabling arbitrary code execution

- Page: https://www.vulneraibility.com/cve/CVE-2026-121224
- CVSS: 8.1
- Known exploited: not in CISA KEV as of our last sync
- CISA SSVC: exploitation none, automatable no, technical impact total (assessed 2026-11-04)
- Weakness: CWE-59
- Published: 2026-11-03

## Affected versions

- Google Chrome: affected < 157.0.8103.38

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

## Impact

A compromised renderer via crafted network traffic can escape the sandbox and execute arbitrary code on the macOS host.

## Action

Immediate action required

## Recommendation

Update Chrome on macOS to 157.0.8103.38+; enforce least-privilege and network controls.

## References

- [other] https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html
- [other] https://issues.chromium.org/issues/574922421

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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.