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PatchSiren cyber security CVE debrief

CVE-2026-79065 Google CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-25T21:18:02.140Z and has not been modified since then. The CVE-2026-79065 vulnerability is caused by improper input validation in Network in Google Chrome prior to 152.0.7977.65. This allows a remote attacker who has compromised the renderer process to bypass web origin policy via a crafted HTML page. The vulnerability has a CVSS score of 4.3 and a severity of MEDIUM. Users of Google Chrome prior to version 152.0.7977.65, IT administrators responsible for managing Google Chrome installations, and security teams monitoring for potential web origin policy bypass vulnerabilities should take immediate action to prevent potential web origin policy bypass. It is recommended to apply the latest Google Chrome update (version 152.0.7977.65 or later) to patch the vulnerability. Ensure that Google Chrome is configured to automatically update to the latest version and monitor Google Chrome for any suspicious activity and implement additional security measures to prevent exploitation.

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

Users of Google Chrome prior to version 152.0.7977.65, IT administrators responsible for managing Google Chrome installations, and security teams monitoring for potential web origin policy bypass vulnerabilities.

Technical summary

The CVE-2026-79065 vulnerability is caused by improper input validation in Network in Google Chrome prior to 152.0.7977.65. This allows a remote attacker who has compromised the renderer process to bypass web origin policy via a crafted HTML page. The vulnerability has a CVSS score of 4.3 and a severity of MEDIUM.

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.
  • Ensure that Google Chrome is configured to automatically update to the latest version.
  • Monitor Google Chrome for any suspicious activity and implement additional security measures to prevent exploitation.

Evidence notes

The CVE-2026-79065 vulnerability is caused by improper input validation in Network in Google Chrome prior to 152.0.7977.65. This allows a remote attacker who has compromised the renderer process to bypass web origin policy via a crafted HTML page. The vulnerability has a CVSS score of 4.3 and a severity of MEDIUM.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-79065 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-79065

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

  • CVE-2026-79065 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-79065

    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.