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PatchSiren cyber security CVE debrief

CVE-2026-11181 Google CVE debrief

CVE-2026-11181 is a medium-severity vulnerability in Google Chrome prior to version 149.0.7827.53. This issue is related to an inappropriate implementation in Media Session, which could allow a remote attacker to bypass same origin policy via a crafted HTML page. The vulnerability has a CVSS score of 6.3 and is classified as CWE-346.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 6.3
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 apply the update to prevent exploitation of this vulnerability.

Technical summary

The vulnerability is caused by an inappropriate implementation in Media Session in Google Chrome. This could allow a remote attacker to bypass same origin policy via a crafted HTML page. The issue has been addressed in Google Chrome version 149.0.7827.53.

Defensive priority

Medium

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.

Evidence notes

The CVE record and NVD detail can be found at [cve-org] and [nvd], respectively. Additional information is available at [ref-4] and [ref-5].

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11181 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11181

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

  • CVE-2026-11181 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11181

    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.