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PatchSiren cyber security CVE debrief

CVE-2026-12029 Google CVE debrief

CVE-2026-12029 is a high-severity vulnerability in Google Chrome on Windows, allowing a remote attacker to potentially perform a sandbox escape via a crafted HTML page. The vulnerability is caused by a use-after-free issue in the Video component. Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code in the context of the sandbox.

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, particularly those who may be targeted by remote attackers, should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The vulnerability is caused by a use-after-free issue in the Video component of Google Chrome on Windows. 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.
  • Use a web browser other than Google Chrome until an update is available.
  • Be cautious when opening HTML pages from untrusted sources.

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-2026-12029 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-12029

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

  • CVE-2026-12029 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-12029

    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.