CVE-2026-126903: Improper state validation in ANGLE

Published Oct 15, 2026
·
Updated

Improper state validation in ANGLE in Google Chrome on on Windows prior to 157.0.8103.78 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)

Credit

arang

Affected Software

5 affected componentsFixes available
Google Chrome<157.0.8103.78
157.0.8103.78
debian/chromium*
debian/chromium*
debian/chromium*
debian/chromium<=150.0.7871.100-1~deb12u1, <=156.0.8078.79-1~deb12u1, <=150.0.7871.181-1~deb13u1, <=156.0.8078.79-1~deb13u1, <=156.0.8078.79-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 157.0.8103.78

Event History

Oct 15, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Nov 11, 2026
CVE Published
via MITRE·10:38 PM
Data Sourced
via MITRE·10:38 PM
DescriptionWeakness
Data Sourced
via NVD·11:17 PM
DescriptionWeakness
Data Sourced
via OSV·11:17 PM
DescriptionAffected Software
Nov 12, 2026
Data Sourced
via NVD·07:17 PM
Severity

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

Which systems are affected?

The issue affects Google Chrome running on Windows before version 157.0.8103.78. The provided information does not identify impact on other operating systems or Chromium-based browsers.

2

What does an attacker need to exploit this issue?

A remote attacker needs to induce a user to load a crafted HTML page in a vulnerable Chrome installation. No local access or authentication requirement is stated in the provided information.

3

What is the security impact of successful exploitation?

Successful exploitation can allow bypass of the web origin policy, which is intended to isolate content from different web origins.

4

How can I determine whether a device is affected?

Check the installed Google Chrome version on Windows. Versions earlier than 157.0.8103.78 are affected according to the provided information.

Contact

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