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CVE-2026-11125 Google CVE debrief

CVE-2026-11125 is a Use after free vulnerability in Compositing 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 CVSS score for this vulnerability is 8.8, indicating a HIGH severity. The vulnerability was published on [cvePublishedAt] and modified on [cveModifiedAt].

Vendor
Google
Product
Chrome
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-07-23
Advisory published
2026-06-04
Advisory updated
2026-07-23

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 a Use after free in Compositing, which allows a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.
  • Refer to [ref-4] for vendor advisory.

Evidence notes

The vulnerability was reported by [email protected] and has a CWE-416 weakness.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11125 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11125

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

  • CVE-2026-11125 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11125

    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.