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PatchSiren cyber security CVE debrief

CVE-2026-12023 Google CVE debrief

CVE-2026-12023 is a Use after free vulnerability in the GPU of Google Chrome on Mac systems. This vulnerability, with a CVSS score of 8.3, could allow a remote attacker who has compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. The vulnerability was published on [cvePublishedAt] and modified on [cveModifiedAt].

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 Mac systems prior to version 149.0.7827.115 should apply the update to prevent exploitation of this vulnerability.

Technical summary

The vulnerability is caused by a use-after-free issue in the GPU component of Google Chrome on Mac. This could allow an attacker to execute arbitrary code in the context of the GPU process, potentially leading to a sandbox escape.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.115 or later.

Evidence notes

Evidence for this CVE comes from the official CVE record and the National Vulnerability Database (NVD).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-12023 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-12023

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

  • CVE-2026-12023 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-12023

    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.