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CVE-2026-11249 Google CVE debrief

CVE-2026-11249 is a use-after-free vulnerability in the Network component of Google Chrome prior to version 149.0.7827.53. This vulnerability could allow a remote attacker who had compromised the renderer process to obtain potentially sensitive information from process memory via a crafted HTML page. The CVSS score for this vulnerability is 4.7, with a severity rating of MEDIUM.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 4.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-05
Original CVE updated
2026-07-23
Advisory published
2026-06-05
Advisory updated
2026-07-23

Who should care

Users of Google Chrome prior to version 149.0.7827.53

Technical summary

The vulnerability is a use-after-free issue in the Network component of Google Chrome. This occurs when the program attempts to access memory after it has been freed, which can lead to unexpected behavior. In this case, a remote attacker who has compromised the renderer process could exploit this vulnerability to obtain potentially sensitive information from process memory.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.

Evidence notes

This vulnerability was reported by [email protected] and has been analyzed by the National Vulnerability Database (NVD).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11249 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11249

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

  • CVE-2026-11249 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11249

    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.