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CVE-2026-10948 Google CVE debrief

CVE-2026-10948 is a high-severity vulnerability in Google Chrome prior to version 149.0.7827.53. This use-after-free issue in WebRTC could allow a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. The vulnerability has a CVSS score of 8.8 and is considered High severity by Chromium.

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. This issue is particularly concerning for users who frequently interact with untrusted or malicious websites, as it could be exploited to execute arbitrary code within the browser's sandbox.

Technical summary

The vulnerability is a use-after-free issue in WebRTC, a technology used for real-time communication in browsers. This type of vulnerability occurs when the application tries to access memory after it has been freed, which can lead to unpredictable behavior and, in this case, potentially allow an attacker to execute arbitrary code.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.
  • Avoid interacting with untrusted or malicious websites.

Evidence notes

The CVE record and NVD detail provide official information about this vulnerability. Release notes and vendor advisories from Google Chrome are available for mitigation and additional context.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-10948 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-10948

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

  • CVE-2026-10948 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-10948

    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.