What is CVE-2026-85047?

CVE-2026-85047 is a critical-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 9.6/10. Published 2026-09-03.

How severe is CVE-2026-85047?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Improper input validation in Google Chrome

CVE-2026-85047

Improper input validation in Transactions Platform in Google Chrome on on iOS prior to 152.0.7977.82 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2026-09-03 · last modified 2026-09-08.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (38.6th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.001

Affected products

Google Chrome

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0188279… (Release Notes, Vendor Advisory)
issues.chromium.org/issues/513790581 (Permissions Required)

Frequently asked questions

What is CVE-2026-85047?: CVE-2026-85047 is a critical-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 9.6/10. Published 2026-09-03.
How severe is CVE-2026-85047?: Critical severity. CVSS v3 base score is 9.6 out of 10.