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CVE-2026-11086 Google CVE debrief

A vulnerability was discovered in Google Chrome, specifically in the Dawn component. This issue is classified as an inappropriate implementation, which could allow a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandbox via a crafted HTML page. The vulnerability has been assigned a CVSS score of 8.8, indicating a high severity level.

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. Additionally, administrators and security teams responsible for managing Chrome deployments should prioritize patching to prevent potential exploitation.

Technical summary

The vulnerability exists in the Dawn component of Google Chrome. An attacker who has compromised the renderer process can exploit this issue by providing a specially crafted HTML page, allowing them to execute arbitrary code within the sandbox environment. This vulnerability requires user interaction, as the attacker needs the victim to access the malicious HTML page.

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 informed about the need to update their browsers.

Evidence notes

The CVE record for CVE-2026-11086 was obtained from the official CVE website. Additional information was sourced from the National Vulnerability Database (NVD) and vendor advisories.

Official resources

CVE-2026-11086 was published on 2026-06-04T23:17:13.447Z and modified on 2026-06-06T01:40:07.690Z.