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CVE-2026-10939 Google CVE debrief

CVE-2026-10939 is a high-severity vulnerability in Google Chrome prior to version 149.0.7827.53. This use-after-free issue in WebRTC could allow a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. The vulnerability has a CVSS score of 8.8 and is considered High severity by Chromium.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-06-06
Advisory published
2026-06-04
Advisory updated
2026-06-06

Who should care

Users of Google Chrome prior to version 149.0.7827.53 should update to the latest version to mitigate this vulnerability. Chromium has marked this vulnerability as High severity.

Technical summary

The vulnerability is a use-after-free issue in WebRTC, which could allow a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.
  • Refer to [ref-4](https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html) for vendor advisory.

Evidence notes

This CVE record was sourced from [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-10939).

Official resources

CVE-2026-10939 was published on [cvePublishedAt] and modified on [cveModifiedAt].