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CVE-2026-10949 Google CVE debrief

CVE-2026-10949 is a High-severity vulnerability in Google Chrome, specifically a heap buffer overflow in the Video component. This issue, tracked by Chromium as a High severity security issue, could allow a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-06-09
Advisory published
2026-06-04
Advisory updated
2026-06-09

Who should care

Users of Google Chrome prior to version 149.0.7827.53 should update to the latest version to mitigate this vulnerability. An attacker could exploit this vulnerability to potentially escape the sandbox, which could lead to arbitrary code execution or other malicious activities.

Technical summary

The vulnerability is caused by a heap buffer overflow in the Video component of Google Chrome. This occurs when the browser fails to properly handle certain types of HTML content, allowing an attacker to overflow a buffer and execute arbitrary code.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.
  • Ensure that all users of Google Chrome are running the latest version.

Evidence notes

This CVE was published on [cvePublishedAt] and modified on [cveModifiedAt]. The vulnerability has a CVSS score of 8.3, indicating a High severity level.

Official resources

CVE-2026-10949 was published on 2026-06-04T23:16:57.583Z and modified on 2026-06-09T18:52:19.730Z.