# CVE-2026-126903: Google Chrome improper state validation in ANGLE on Windows

Source: https://junglewise.ai/threats/cve-2026-126903-improper-state-validation-in-angle-in-google-chrome-on-on  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-11. Updated: 2026-11-12  
License: CC BY 4.0 with a link back

CVE-2026-126903 · Severity: info · Published 2026-11-11

Google Chrome is a web browser used by billions of people worldwide. A flaw in ANGLE, the graphics library Chrome uses to render web pages, allows a remote attacker to bypass web origin policy protections via a malicious HTML page. This could enable unauthorized access to data from other websites or applications.

Technologies: [Google Chrome](https://junglewise.ai/threats/technologies/chrome). Vendors: [Google](https://junglewise.ai/threats/vendors/google).

## Quick answers

**Is CVE-2026-126903 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-126903 being exploited in the wild.

**How severe is CVE-2026-126903?** 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-2026-126903?** Yes: fixed in Chrome 157.0.8103.78 and later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-126903 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-126903?** 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 and later

## Technical details

Improper state validation in ANGLE, Chrome's graphics abstraction layer, allows a remote attacker to bypass the same-origin policy through a crafted HTML page on Windows. The attack vector is network-based with no authentication required; the user only needs to visit a malicious webpage. A successful exploit could compromise cross-origin security boundaries.

## Affected products

- Google Chrome prior to 157.0.8103.78

## Timeline

- 2026-11-11: disclosed
- 2026-11-11: patched

## References

- [https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_01744469280.html](https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_01744469280.html)
- [https://issues.chromium.org/issues/574035865](https://issues.chromium.org/issues/574035865)

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