Affects Google Chrome WebRTC; widely used browser; could enable RCE via crafted HTML.
CVE-2026-4445
Use-after-free in Chrome WebRTC may allow remote code execution via crafted HTML.
Is CVE-2026-4445 being exploited?
Not confirmed. CVE-2026-4445 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 0.25% probability of exploitation in the next 30 days.
How severe is CVE-2026-4445?
CVE-2026-4445 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-2026-4445?
Yes. A fix has been recorded for CVE-2026-4445. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-4445 affect?
CVE-2026-4445 affects Google Chrome (WebRTC). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-4445?
Update Chrome to the latest version with WebRTC fix.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution via WebRTC heap corruption when parsing crafted HTML pages.
Patch when possible
- affected< 146.0.7680.153
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.