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CVE-2026-79141 Google CVE debrief

CVE-2026-79141 is a Medium severity vulnerability in Google Chrome prior to version 152.0.7977.65. The issue involves incorrect authorization, allowing a remote attacker to bypass web origin policy via a crafted HTML page. This vulnerability was reported by an external researcher and patched by Google. The affected product is Google Chrome, and the vulnerability class is related to web origin policy bypass. The likely operational impact is that an attacker could potentially access sensitive information or take control of the affected system. The source confidence is high, as the vulnerability was reported by an external researcher and patched by Google. The review context is that IT administrators and security teams should review and apply the patch to prevent potential web origin policy bypass.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 4.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-25
Original CVE updated
2026-08-31
Advisory published
2026-08-25
Advisory updated
2026-08-31

Who should care

IT administrators responsible for managing Google Chrome deployments, security teams monitoring for potential web origin policy bypass vulnerabilities, and users of Google Chrome prior to version 152.0.7977.65. Additionally, operators and platform administrators should review the patch and apply it to affected systems. Vulnerability management and security teams should also review the patch and ensure that all instances are up-to-date.

Technical summary

CVE-2026-79141 is a Medium severity vulnerability in Google Chrome prior to version 152.0.7977.65. The issue involves incorrect authorization, allowing a remote attacker to bypass web origin policy via a crafted HTML page. This vulnerability was reported by an external researcher and patched by Google. The affected product is Google Chrome, and the vulnerability class is related to web origin policy bypass. The defensive impact is that IT administrators and security teams should review and apply the patch to prevent potential web origin policy bypass.

Defensive priority

Medium severity vulnerability in Google Chrome, requiring immediate attention to prevent potential web origin policy bypass.

Recommended defensive actions

  • Apply the latest Google Chrome update (version 152.0.7977.65 or later) to patch the vulnerability.
  • Review and enforce strict web origin policy in your organization's Chrome deployments.
  • Monitor Chrome browser versions and ensure all instances are up-to-date.
  • 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.

Evidence notes

The CVE-2026-79141 record indicates a Medium severity vulnerability in Google Chrome prior to version 152.0.7977.65. The issue involves incorrect authorization, allowing a remote attacker to bypass web origin policy via a crafted HTML page. Official sources include the CVE Program and NVD.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-79141 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-79141

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

  • CVE-2026-79141 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-79141

    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.