# CVE-2026-9985: Google ChromeOS improper input validation in Media

Source: https://junglewise.ai/threats/cve-2026-9985-google-chromeos-improper-input-validation-in-media  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-28. Updated: 2026-05-28  
License: CC BY 4.0 with a link back

CVE-2026-9985 · Severity: info · CVSS 8.8 · Published 2026-05-28

A security vulnerability in the media component of Google Chrome on ChromeOS could allow a remote attacker to access sensitive information from the device's memory. This occurs when a user visits a specially crafted website, potentially leading to the exposure of private data. Users should update their ChromeOS devices to version 148.0.7778.216 or later to mitigate this risk.

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

## Quick answers

**Is CVE-2026-9985 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-9985 being exploited in the wild.

**How severe is CVE-2026-9985?** Informational severity, with a CVSS score of 8.8, published 28 May 2026.

**Which products and versions are affected?** Google ChromeOS prior to 148.0.7778.216.

**Is there a fix for CVE-2026-9985?** A patch was published on 2026-05-27: Stable channel update released for desktop and ChromeOS Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-9985 attacked?** It is attacked over the network, in an operating system.

**Am I affected by CVE-2026-9985?** 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 improper input validation vulnerability (CWE-20) exists in the Media component of Google Chrome on ChromeOS. The flaw allows a remote attacker who has already compromised the renderer process to bypass memory protections and read sensitive information from process memory. Exploitation is achieved by enticing a user to visit a maliciously crafted HTML page. This vulnerability is rated as High severity by Chromium and was addressed in ChromeOS version 148.0.7778.216.

## Affected products

- Google ChromeOS prior to 148.0.7778.216

## Timeline

- 2026-05-27: patched: Stable channel update released for desktop and ChromeOS
- 2026-05-28: disclosed: NVD publication date

## References

- [https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html](https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html)
- [https://issues.chromium.org/issues/513019760](https://issues.chromium.org/issues/513019760)

## Related threats

- [Google ChromeOS heap buffer overflow in Color component](https://junglewise.ai/threats/cve-2026-17680-google-chromeos-heap-buffer-overflow-in-color-component)
- [Google ChromeOS uninitialized use in Dawn](https://junglewise.ai/threats/cve-2026-14421-google-chromeos-uninitialized-use-in-dawn)
- [Google Chrome on ChromeOS use after free in SSL](https://junglewise.ai/threats/cve-2026-14103-google-chrome-on-chromeos-use-after-free-in-ssl)
- [Google ChromeOS out of bounds read in CameraCapture](https://junglewise.ai/threats/cve-2026-14090-google-chromeos-out-of-bounds-read-in-cameracapture)
- [Google Chrome on ChromeOS Information Disclosure in Views](https://junglewise.ai/threats/cve-2026-14062-google-chrome-on-chromeos-information-disclosure-in-views)