# CVE-2026-91727

Chrome (macOS) extension sandbox escape allowing code execution outside the sandbox

- Page: https://www.vulneraibility.com/cve/CVE-2026-91727
- CVSS: 8.1
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 0.11% (percentile 1.2)
- CISA SSVC: exploitation none, automatable no, technical impact total (assessed 2026-09-16)
- Weakness: CWE-706
- Published: 2026-09-15

## Affected versions

- Google Chrome: affected < 153.0.8010.47

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

## Impact

Local sandbox escape: attacker with a compromised renderer can execute arbitrary code outside Chrome sandbox via a local program.

## Action

Patch when possible

## Recommendation

Update Chrome for macOS to 153.0.8010.47 or later immediately

## References

- [other] https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html
- [other] https://issues.chromium.org/issues/516893912

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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.