CVE-2026-13796
Chrome/Chromecast overflow enables sandbox escape via crafted HTML.
Is CVE-2026-13796 being exploited?
Not confirmed. CVE-2026-13796 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 0.32% probability of exploitation in the next 30 days.
How severe is CVE-2026-13796?
CVE-2026-13796 is rated Critical with a CVSS score of 9.6. 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-2026-13796?
Yes. A fix has been recorded for CVE-2026-13796. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-13796 affect?
CVE-2026-13796 affects Chromecast-enabled Google Chrome (<150.0.7871.47), Chromecast devices. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-13796?
Update to latest Chrome/Chromecast release.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Sandbox escape allows remote code execution on affected device via crafted HTML page.
Patch when possible
- affected< 150.0.7871.47
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.