CVE-2026-106339 Use after free in Chrome

What is CVE-2026-106339?

CVE-2026-106339 is a low-severity use after free vulnerability in Google Chrome, published on 6 Oct 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

Use of released resource in Core in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to potentially obtain cross-origin data via a crafted HTML page. (Chromium security severity: Low)

Weakness: CWE-672

Which versions are affected by CVE-2026-106339?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-106339?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2026-106339 being exploited?

There is no known exploitation of CVE-2026-106339 in the wild and no public exploit code.

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-2026-85046 Google Chromium V8 Type Confusion 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-2026-106339, ECHO-807b-9b12-b541, GHSA-5hwq-pjv4-h4fm, MINI-v2mv-v9xv-xmvj.