CVE-2026-17836
Use-after-free in V8 allows remote code execution in Chrome <151.0.7922.72
Is CVE-2026-17836 being exploited?
Not confirmed. CVE-2026-17836 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 0.38% probability of exploitation in the next 30 days.
How severe is CVE-2026-17836?
CVE-2026-17836 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-2026-17836?
Yes. A fix has been recorded for CVE-2026-17836. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-17836 affect?
CVE-2026-17836 affects Google Chrome <151.0.7922.72, Chromium-based browsers using affected V8 versions. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-17836?
Update Chrome/Chromium to 151.0.7922.72 or later immediately
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attacker can execute arbitrary code inside the Chrome renderer sandbox via a crafted HTML page (use-after-free).
Patch when possible
- affected< 151.0.7922.72
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.