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PatchSiren cyber security CVE debrief

CVE-2026-11153 Google CVE debrief

A critical vulnerability, CVE-2026-11153, was discovered in Google Chrome, allowing remote attackers to leak cross-origin data via a crafted HTML page. This side-channel information leakage in Forms was patched in version 149.0.7827.53.

Vendor
Google
Product
Chrome
CVSS
CRITICAL 9.1
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 prevent potential exploitation of this vulnerability.

Technical summary

The vulnerability, with a CVSS score of 9.1, is caused by a side-channel information leakage in Forms in Google Chrome. An attacker could exploit this vulnerability by creating a crafted HTML page, allowing them to leak cross-origin data.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.

Evidence notes

The CVE was published on June 4, 2026, and modified on June 8, 2026. The vulnerability was patched in Google Chrome version 149.0.7827.53.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11153 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11153

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

  • CVE-2026-11153 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11153

    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.