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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
2026-07-23
Advisory published
2026-06-04
Advisory updated
2026-07-23

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11070 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11070

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-11070 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11070

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

Supplemental references

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.