CVE-2026-17722
Android WebView sandbox escape via crafted HTML (requires renderer compromise).
Is CVE-2026-17722 being exploited?
Not confirmed. CVE-2026-17722 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-2026-17722?
CVE-2026-17722 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-2026-17722?
Yes. A fix has been recorded for CVE-2026-17722. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-17722 affect?
CVE-2026-17722 affects Google Chrome WebView for Android <151.0.7922.72, Android devices using affected WebView. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-17722?
Update WebView/Chrome on Android to 151.0.7922.72 or later immediately.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Sandbox escape from a compromised renderer via crafted HTML, enabling code execution or data access on affected Android devices.
Immediate action required
- 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.