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PatchSiren cyber security CVE debrief

CVE-2026-12014 Google CVE debrief

CVE-2026-12014 is a High severity vulnerability in Google Chrome prior to 149.0.7827.115. The vulnerability is a use after free in Cast, which could allow an attacker on the local network segment to potentially perform a sandbox escape via malicious network traffic. The CVSS score for this vulnerability is 8.3, indicating a High severity. 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
2026-06-23
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 is a use after free in Cast, which could allow an attacker on the local network segment to potentially perform a sandbox escape via malicious network traffic.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.115 or later.

Evidence notes

The vulnerability was reported by [email protected] and has a CVSS vector of CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-12014 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-12014

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

  • CVE-2026-12014 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-12014

    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.