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PatchSiren cyber security CVE debrief

CVE-2026-78967 Google CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-25T21:17:52.847Z and has not been modified since then. The CVE-2026-78967 vulnerability is related to missing authorization in BFCache in Google Chrome prior to 152.0.7977.65. This allowed a remote attacker who had compromised the renderer process to bypass system access restrictions via a crafted HTML page. The vulnerability has a CVSS score of 6.5 and a severity of Medium. Google Chrome users, particularly those with high-security requirements, should apply the latest update to prevent potential exploitation of this vulnerability. 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, monitor system logs for potential exploitation attempts, and implement additional security measures, such as network segmentation and access controls, to reduce the attack surface.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 6.5
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

Google Chrome users, particularly those with high-security requirements, should apply the latest update to prevent potential exploitation of this vulnerability.

Technical summary

The CVE-2026-78967 vulnerability is related to missing authorization in BFCache in Google Chrome prior to 152.0.7977.65. This allowed a remote attacker who had compromised the renderer process to bypass system access restrictions via a crafted HTML page. The vulnerability has a CVSS score of 6.5 and a severity of Medium.

Defensive priority

Medium severity vulnerability in Google Chrome, requiring immediate attention to prevent potential system access restrictions 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 system logs for potential exploitation attempts.
  • Implement additional security measures, such as network segmentation and access controls, to reduce the attack surface.

Evidence notes

The CVE-2026-78967 vulnerability is related to missing authorization in BFCache in Google Chrome prior to 152.0.7977.65. This allowed a remote attacker who had compromised the renderer process to bypass system access restrictions via a crafted HTML page. The vulnerability has a CVSS score of 6.5 and a severity of Medium.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-78967 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-78967

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

  • CVE-2026-78967 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-78967

    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.