# CVE-2026-91743

Chrome race condition allows sandbox escape and arbitrary code execution (RCE).

- Page: https://www.vulneraibility.com/cve/CVE-2026-91743
- CVSS: 8.3
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 0.25% (percentile 16.7)
- CISA SSVC: exploitation none, automatable no, technical impact total (assessed 2026-09-16)
- Weakness: CWE-367
- 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

Attacker who controls the renderer can escape the sandbox and execute arbitrary code on the host via crafted HTML, enabling full host compromise.

## Action

Immediate action required

## Recommendation

Update Chrome 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/516947138

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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.