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PatchSiren cyber security CVE debrief

CVE-2026-79186 Google CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-25T21:18:12.267Z and has not been modified since then. The CVE-2026-79186 vulnerability is related to incorrect authorization in the Network component of Google Chrome. This issue allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. The vulnerability has been addressed in Google Chrome version 152.0.7977.65 or later. Users should ensure they are running the latest version of Google Chrome to prevent exploitation. Limited information is available about the specific details of the vulnerability, and additional verification is recommended.

Vendor
Google
Product
Chrome
CVSS
LOW 3.1
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, particularly those who use the browser for sensitive activities or in high-risk environments, should be aware of this vulnerability and take steps to ensure they are running the latest version of the browser.

Technical summary

The CVE-2026-79186 vulnerability is related to incorrect authorization in the Network component of Google Chrome. This issue allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. The vulnerability has been addressed in Google Chrome version 152.0.7977.65 or later.

Defensive priority

This vulnerability has a low CVSS score of 3.1, indicating a relatively low severity. However, it is still important to address this issue as it could potentially allow an attacker to bypass site isolation in Google Chrome.

Recommended defensive actions

  • Apply the official patch or update to Google Chrome version 152.0.7977.65 or later.
  • Ensure that Google Chrome is up-to-date to prevent exploitation of this vulnerability.
  • Monitor for any suspicious activity related to this vulnerability.

Evidence notes

The CVE-2026-79186 vulnerability is related to incorrect authorization in the Network component of Google Chrome. According to the NVD, this issue was reported and fixed prior to version 152.0.7977.65. The Chromium security severity is rated as Medium. Limited information is available about the specific details of the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-79186 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-79186

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

  • CVE-2026-79186 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-79186

    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.