Chrome is widely deployed; high-severity RCE via crafted HTML; broad business impact.
CVE-2026-13899
Chrome HTML use-after-free enables remote code execution via crafted page
Is CVE-2026-13899 being exploited?
Not confirmed. CVE-2026-13899 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 0.41% probability of exploitation in the next 30 days.
How severe is CVE-2026-13899?
CVE-2026-13899 is rated High. 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-2026-13899?
Yes. A fix has been recorded for CVE-2026-13899. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-13899 affect?
CVE-2026-13899 affects Google Chrome (Windows, macOS, Linux). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-13899?
Update to 150.0.7871.47+
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
RCE in Chrome via crafted HTML page (HTML Use-After-Free) in sandbox.
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.