PatchSiren cyber security CVE debrief

CVE-2026-11676 Google CVE debrief

CVE-2026-11676 is a High-severity vulnerability in Google Chrome. Insufficient validation of untrusted input in Dawn allowed 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: 2026-06-09
Original CVE updated: 2026-06-10
Advisory published: 2026-06-09
Advisory updated: 2026-06-10

Who should care

Users of Google Chrome on Linux and ChromeOS prior to version 149.0.7827.103 should update to the latest version to mitigate this vulnerability.

Technical summary

The vulnerability exists in the Dawn component of Google Chrome. An attacker who has compromised the renderer process can exploit this vulnerability by crafting a malicious HTML page, potentially leading to a sandbox escape.

Defensive priority

High

Recommended defensive actions

Update Google Chrome to version 149.0.7827.103 or later.

Evidence notes

This CVE was published on [cvePublishedAt](https://www.cve.org/CVERecord?id=CVE-2026-11676) and last modified on [cveModifiedAt](https://nvd.nist.gov/vuln/detail/CVE-2026-11676).

Sources and references

Verified primary and authoritative sources

CVE-2026-11676 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-11676

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-11676 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11676

NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Mitigation or vendor reference
Unverified legacy reference

URL: https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html

[email protected] - Vendor Advisory
Source reference
Unverified legacy reference

URL: https://issues.chromium.org/issues/516949298

[email protected] - Permissions Required

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.