Chrome is widely deployed across organizations; this RCE/sandbox-escape in Windows browsers can enable enterprise compromise and needs org-wide attention.
CVE-2026-103624
Use-after-free in Chrome (Windows) enabling sandbox escape and remote code execution.
Is CVE-2026-103624 being exploited?
Not confirmed. CVE-2026-103624 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.
How severe is CVE-2026-103624?
CVE-2026-103624 is rated High with a CVSS score of 8.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-103624?
Yes. A fix has been recorded for CVE-2026-103624. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-103624 affect?
CVE-2026-103624 affects Google Chrome on Windows versions prior to 154.0.8037.97. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-103624?
Update Chrome on Windows to 154.0.8037.97 or later immediately
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution outside the Chrome sandbox via crafted HTML after renderer compromise, enabling full system compromise on Windows.
Immediate action required