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CVE-2026-10963 Google CVE debrief

CVE-2026-10963 is an integer overflow vulnerability in V8 in Google Chrome prior to 149.0.7827.53. This vulnerability allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. The Chromium security severity of this vulnerability is High, with a CVSS score of 8.8.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.8
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 integer overflow in V8, a JavaScript engine used by Google Chrome. This vulnerability can be exploited by a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.

Evidence notes

This CVE record was obtained from the official CVE.org website and the NVD detail page.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-10963 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-10963

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

  • CVE-2026-10963 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-10963

    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.