RCE in Google Chrome, a ubiquitous browser, risks mass endpoint compromise and requires org-wide action.
CVE-2026-87440
Chrome Media OOB read enables sandboxed remote code execution via crafted HTML
Is CVE-2026-87440 being exploited?
Not confirmed. CVE-2026-87440 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 0.44% probability of exploitation in the next 30 days.
How severe is CVE-2026-87440?
CVE-2026-87440 is rated High with a CVSS score of 8.8. 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-2026-87440?
Yes. A fix has been recorded for CVE-2026-87440. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-87440 affect?
CVE-2026-87440 affects Google Chrome prior to 153.0.8010.36 (desktop), Chromium-based browsers may be affected. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-87440?
Update Chrome to 153.0.8010.36 or later across environments immediately
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution in Chrome's sandbox via crafted HTML; attackers can run code in browser, compromise user data or pivot from endpoints.
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.