# CVE-2026-85042 — Google Chrome

> As of 2026-09-04, CVE-2026-85042 is a CRITICAL-severity vulnerability in Google Chrome, CVSS v3.1 9.6, EPSS 0.4% (38.0th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-85042, most recently “Google Patches Chrome Zero-Day CVE-2026-85046 (6th of 2026), Actively Exploited V8 Type Confusion”.

**Last updated:** 2026-09-04

## What is CVE-2026-85042?

Use after free in DevTools in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

The record classifies CVE-2026-85042 under weakness class [CWE-416](https://intel.threadlinqs.com/cwe/CWE-416). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 57 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 9.6 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H`)
- **EPSS (FIRST):** 0.4% probability of exploitation in the next 30 days, higher than 38.0% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 6.3/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-03, last modified 2026-09-04

## Is CVE-2026-85042 being exploited?

It currently carries a trending score of 35 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [Google](https://intel.threadlinqs.com/vendors/google): Chrome

## How to fix CVE-2026-85042

No vendor patch reference has been recorded for CVE-2026-85042 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-85042

1 tracked threat in the Threadlinqs corpus references CVE-2026-85042, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Google Patches Chrome Zero-Day CVE-2026-85046 (6th of 2026), Actively Exploited V8 Type Confusion](https://intel.threadlinqs.com/threat/TL-2026-2326) — HIGH · 2026-09-04

## Sources

Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on 2026-10-10.

**Other references**

- [chromereleases.googleblog.com](https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html)
- [issues.chromium.org](https://issues.chromium.org/issues/553119925)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-85042
Full detection coverage and IOCs for threats exploiting CVE-2026-85042 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp