Chrome is a ubiquitous enterprise client; an RCE that escapes the sandbox can compromise many endpoints and lead to broad network impact if not remediated.
CVE-2026-87628
Chrome Cast use-after-free allows remote code execution outside sandbox.
Is CVE-2026-87628 being exploited?
Not confirmed. CVE-2026-87628 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. EPSS currently estimates a 0.17% probability of exploitation in the next 30 days.
How severe is CVE-2026-87628?
CVE-2026-87628 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-2026-87628?
Yes. A fix has been recorded for CVE-2026-87628. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-87628 affect?
CVE-2026-87628 affects Google Chrome (desktop) prior to 153.0.8010.36. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-87628?
Update Chrome to 153.0.8010.36 or later immediately
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution outside Chrome's sandbox via crafted network traffic (use-after-free in Cast).
Immediate action required
- affected< 153.0.8010.36
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.