CVE-2026-85046 Google Chromium V8 Type Confusion

What is CVE-2026-85046?

CVE-2026-85046 is a high-severity memory corruption vulnerability in Google Chrome, published on 3 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Type confusion in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Weakness: CWE-843

Which versions are affected by CVE-2026-85046?

It affects 2 products.

Products include Google Chrome, Google V8.

How do I fix CVE-2026-85046?

Upgrade to a fixed version. US federal agencies must fix it by 18 Sep 2026.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-85046 being exploited?

Yes. Attackers have exploited CVE-2026-85046 in the wild since at least 4 Sep 2026.

Public exploit code: 7 proofs of concept on GitHub.

Other vulnerabilities in Google Chrome

• CVE-2022-4135 Google Chromium GPU Heap Buffer Overflow Exploited Critical 9.6
• CVE-2020-16017 Google Chrome Use-After-Free Exploited Critical 9.6
• CVE-2020-16010 Google Chrome for Android UI Heap Buffer Overflow Exploited Critical 9.6
• CVE-2026-87491 Google Chromium V8 Out of Bounds Write Exploited High 8.8
• CVE-2026-11645 Google Chromium V8 Out-of-Bounds Read and Write Exploited High 8.8

All Google Chrome vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2026-85046, ECHO-4025-c648-af1f, GHSA-84qv-4wj5-wwmm, MINI-wjc2-fcfc-q89x.