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PatchSiren cyber security CVE debrief

CVE-2026-12016 Google CVE debrief

A High-severity vulnerability, CVE-2026-12016, was found in Google Chrome prior to version 149.0.7827.115. The vulnerability is caused by an inappropriate implementation in DevTools, which could allow a remote attacker who has 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
2026-06-11
Original CVE updated
2026-06-23
Advisory published
2026-06-11
Advisory updated
2026-06-23

Who should care

Users of Google Chrome prior to version 149.0.7827.115 should update to the latest version to mitigate this vulnerability.

Technical summary

The vulnerability has a CVSS score of 8.3 and is classified as High-severity. The affected product is Google Chrome prior to version 149.0.7827.115. The vulnerability is caused by an inappropriate implementation in DevTools, which could allow a remote attacker who has compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.115 or later.

Evidence notes

The vulnerability was published on [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-12016) and has a detailed description on [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-12016).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-12016 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-12016

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

  • CVE-2026-12016 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-12016

    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.