# CVE-2026-13942: Google Chrome UI spoofing in Video Capture on ChromeOS

Source: https://junglewise.ai/threats/cve-2026-13942-google-chrome-ui-spoofing-in-video-capture-on-chromeos  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-30. Updated: 2026-07-01  
License: CC BY 4.0 with a link back

CVE-2026-13942 · Severity: info · CVSS 4.3 · Published 2026-06-30

A vulnerability in the Video Capture component of Google Chrome on ChromeOS could allow a malicious website to spoof parts of the browser's user interface. This could be used to trick users into performing unintended actions or believing they are interacting with a legitimate system prompt. The issue is resolved in ChromeOS version 150.0.7871.47.

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

## Quick answers

**Is CVE-2026-13942 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-13942 being exploited in the wild.

**How severe is CVE-2026-13942?** Informational severity, with a CVSS score of 4.3, published 30 June 2026.

**Which products and versions are affected?** Google ChromeOS prior to 150.0.7871.47.

**Is there a fix for CVE-2026-13942?** A patch was published on 2026-06-30. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-13942 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-13942?** Check whether you run Google ChromeOS 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.

## Technical details

An inappropriate implementation vulnerability exists in the Video Capture component of Google Chrome on ChromeOS. By leveraging a specially crafted HTML page, a local attacker (or a malicious site visited by the user) can perform user interface (UI) spoofing. This is classified as an improper input validation issue (CWE-20) within the Chromium project. The vulnerability allows an attacker to misrepresent browser or system UI elements, potentially leading to user confusion or social engineering attacks. The issue is fixed in ChromeOS versions 150.0.7871.47 and later.

## Affected products

- Google ChromeOS prior to 150.0.7871.47

## Timeline

- 2026-06-30: disclosed
- 2026-06-30: patched

## References

- [https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html](https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html)
- [https://issues.chromium.org/issues/513186670](https://issues.chromium.org/issues/513186670)

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