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CVE-2026-10912 Google CVE debrief

CVE-2026-10912 is a vulnerability in Google Chrome prior to version 149.0.7827.53. The issue is related to Insufficient validation of untrusted input in Extensions, which could allow a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page. The Chromium security severity of this vulnerability is High, and it has a CVSS score of 6.5, categorized as MEDIUM.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 6.5
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 exists due to Insufficient validation of untrusted input in Extensions in Google Chrome. A remote attacker who had compromised the renderer process could bypass same origin policy via a crafted HTML page.

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.

Evidence notes

The CVE was published on [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-10912) and has additional details on [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-10912).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-10912 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-10912

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

  • CVE-2026-10912 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-10912

    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.