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PatchSiren cyber security CVE debrief

CVE-2026-10966 Google CVE debrief

A critical vulnerability, CVE-2026-10966, was discovered in Google Chrome prior to version 149.0.7827.53. This vulnerability is caused by an inappropriate implementation in Codecs, which could allow a remote attacker to potentially perform a sandbox escape via a crafted video file. The Chromium security severity of this vulnerability is rated as High, with a CVSS score of 9.6.

Vendor
Google
Product
Chrome
CVSS
CRITICAL 9.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-07-22
Advisory published
2026-06-04
Advisory updated
2026-07-22

Who should care

Users of Google Chrome prior to version 149.0.7827.53 should update to the latest version to mitigate this vulnerability.

Technical summary

The vulnerability is caused by an inappropriate implementation in Codecs in Google Chrome prior to version 149.0.7827.53. This could allow a remote attacker to potentially perform a sandbox escape via a crafted video file.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.
  • Refer to [ref-4](https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html) for more information on the stable channel update for desktop.

Evidence notes

This vulnerability has been publicly disclosed and is considered critical.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-10966 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-10966

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

  • CVE-2026-10966 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-10966

    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.