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CVE-2026-12031 Google CVE debrief

CVE-2026-12031 is a High-severity vulnerability in Google Chrome on Windows. The vulnerability is caused by an inappropriate implementation in Views, which could allow a remote attacker who has compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. The CVSS score for this vulnerability is 8.3, indicating a High severity.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-11
Original CVE updated
2026-06-12
Advisory published
2026-06-11
Advisory updated
2026-06-12

Who should care

Users of Google Chrome on Windows prior to version 149.0.7827.115 should update to the latest version to mitigate this vulnerability. This vulnerability was publicly disclosed on 2026-06-11T22:16:55.677Z and was modified on 2026-06-12T18:05:24.940Z.

Technical summary

The vulnerability is caused by an inappropriate implementation in Views in Google Chrome on Windows prior to 149.0.7827.115. This 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.
  • Refer to [ref-4](https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01962725236.html) for vendor advisory.

Evidence notes

Evidence for this CVE comes from the official CVE record [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-12031) and the National Vulnerability Database [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-12031).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-12031 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-12031

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

  • CVE-2026-12031 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-12031

    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.