PatchSiren cyber security CVE debrief

CVE-2026-11070 Google CVE debrief

CVE-2026-11070 is a critical vulnerability in Google Chrome on Windows, with a CVSS score of 9.6. The vulnerability is caused by insufficient validation of untrusted input in Chromoting, which allows a remote attacker who has compromised the network process to potentially perform a sandbox escape via malicious network traffic. This vulnerability was publicly disclosed on 2026-06-04 and last modified on 2026-06-08.

Vendor: Google
Product: Chrome
CVSS: CRITICAL 9.6
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-04
Original CVE updated: 2026-06-08
Advisory published: 2026-06-04
Advisory updated: 2026-06-08

Who should care

Users of Google Chrome on Windows, particularly those with version prior to 149.0.7827.53, should apply the patch immediately to prevent potential sandbox escape attacks.

Technical summary

The vulnerability is caused by insufficient validation of untrusted input in Chromoting in Google Chrome on Windows prior to 149.0.7827.53. This allows a remote attacker who has compromised the network process to potentially perform a sandbox escape via malicious network traffic.

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

The vulnerability was reported by [email protected] and has a CWE-20 weakness.

Official resources

CVE-2026-11070 CVE record
CVE.org
CVE-2026-11070 NVD detail
NVD
Source item URL
nvd_modified
Mitigation or vendor reference
[email protected] - Vendor Advisory
Source reference
[email protected] - Permissions Required

CVE-2026-11070 was publicly disclosed on 2026-06-04 and last modified on 2026-06-08.