Is CVE-2026-126909 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-126909 being exploited in the wild.

How severe is CVE-2026-126909?

Informational severity, published 11 November 2026.

Which products and versions are affected?

Google Chrome prior to 157.0.8103.78.

Is there a fix for CVE-2026-126909?

Yes: fixed in Chrome 157.0.8103.78 (Windows, Mac) and 157.0.8103.78 (Linux). Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-126909 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-126909?

Check whether you run Google Chrome at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-126909: Google Chrome use after free in Passwords

CVE-2026-126909 · Severity: info · Published 2026-11-11

A use-after-free vulnerability in Google Chrome's password management component allows attackers to execute arbitrary code outside the browser's security sandbox. An attacker can exploit this by crafting a malicious HTML page and using social engineering to trick users into visiting it, potentially leading to complete compromise of the user's system and data.

Technologies: Google Chrome. Vendors: Google.

Quick answers

Is CVE-2026-126909 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-126909 being exploited in the wild.
How severe is CVE-2026-126909?: Informational severity, published 11 November 2026.
Which products and versions are affected?: Google Chrome prior to 157.0.8103.78.
Is there a fix for CVE-2026-126909?: Yes: fixed in Chrome 157.0.8103.78 (Windows, Mac) and 157.0.8103.78 (Linux). Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-126909 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-126909?: Check whether you run Google Chrome at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Fixed in: Chrome 157.0.8103.78 (Windows, Mac) and 157.0.8103.78 (Linux)

Technical details

A use-after-free flaw in the Passwords component of Chromium allows an attacker to execute arbitrary code outside the sandbox boundary. The vulnerability requires social engineering (user visits a crafted HTML page) but results in code execution with elevated privileges. The vulnerability was fixed in Chrome version 157.0.8103.78 for Windows/Mac and Linux.

Affected products

Google Chrome prior to 157.0.8103.78

Timeline

2026-10-11: disclosed: Vulnerability reported by JonathanBouman
2026-11-11: patched: Fix released in Chrome 157.0.8103.78

References

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