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CVE-2026-7349 Google CVE debrief

CVE-2026-7349 is a high-severity vulnerability in Google Chrome prior to version 147.0.7727.138. The vulnerability is a use-after-free issue in the Cast component, which could allow an attacker on the local network segment to execute arbitrary code inside a sandbox via malicious network traffic. The Chromium security severity of this vulnerability is High, with a CVSS score of 7.5. This type of vulnerability occurs when a program attempts to use memory after it has been freed, which can lead to arbitrary code execution. Users of Google Chrome prior to version 147.0.7727.138 are affected. It is recommended that users update to the latest version of Google Chrome to mitigate this vulnerability. Additionally, network administrators should ensure that their network segments are secure and monitor for any suspicious network traffic.

Vendor
Google
Product
Chrome
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-28
Original CVE updated
2026-07-24
Advisory published
2026-04-28
Advisory updated
2026-07-24

Who should care

This vulnerability affects users of Google Chrome prior to version 147.0.7727.138. It is recommended that users update to the latest version of Google Chrome to mitigate this vulnerability. Additionally, network administrators should ensure that their network segments are secure and monitor for any suspicious network traffic. Operators, platform administrators, and security teams should review their environments for potential exposure.

Technical summary

The vulnerability is a use-after-free issue in the Cast component of Google Chrome. This type of vulnerability occurs when a program attempts to use memory after it has been freed, which can lead to arbitrary code execution. In this case, an attacker on the local network segment could exploit this vulnerability by sending malicious network traffic, potentially leading to code execution inside a sandbox. The vulnerability has a high severity with a CVSS score of 7.5. Limited source detail is available; further verification is recommended.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 147.0.7727.138 or later
  • Monitor network traffic for suspicious activity
  • Ensure network segments are secure
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-04-28T23:16:22.490Z and was last modified on 2026-07-24T08:10:00.150Z. The NVD entry is currently Analyzed. This vulnerability affects Google Chrome prior to version 147.0.7727.138. Users should verify their versions and update if necessary. The vulnerability has a high severity with a CVSS score of 7.5. Limited source detail is available; further verification is recommended.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-7349 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-7349

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

  • CVE-2026-7349 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-7349

    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.