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CVE-2026-8007 Google CVE debrief

CVE-2026-8007 debrief based on CVE Program and NVD records. Google Chrome users should assess exposure to insufficient input validation in the Cast feature prior to version 148.0.7778.96. The CVE record was published on 2026-05-06T19:16:51.673Z and has not been modified since then. The NVD entry is currently Analyzed. Defenders responsible for managing Google Chrome deployments, particularly those with the Cast feature enabled, should assess exposure and verify Chrome version 148.0.7778.96 or later. This assessment should include verifying Chrome version 148.0.7778.96 or later for all users with the Cast feature enabled and restricting access to the Cast feature for users with high

Vendor
Google
Product
Chrome
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-06
Original CVE updated
2026-10-26
Advisory published
2026-05-06
Advisory updated
2026-10-26

Who should care

Defenders responsible for managing Google Chrome deployments, particularly those with the Cast feature enabled, should assess exposure and verify Chrome version 148.0.7778.96 or later.

Why it matters

CVE-2026-8007 allows remote attackers to perform privilege escalation via a crafted HTML page, impacting Google Chrome users with the Cast feature enabled prior to version 148.0.7778.96.

  • Verify Chrome version 148.0.7778.96 or later for all users with the Cast feature enabled to prevent potential privilege escalation
  • Restrict access to the Cast feature for users with high-risk exposure to reduce attack surface

Technical summary

Insufficient validation of untrusted input in Cast in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to perform privilege escalation via a crafted HTML page. This vulnerability impacts Google Chrome users with the Cast feature enabled prior to version 148.0.7778.96, allowing remote attackers to perform privilege escalation. Defenders should prioritize verifying Chrome version 148.0.7778.96 or later for all users with the Cast feature enabled to prevent potential privilege escalation.

Defensive priority

Defenders should prioritize verifying Chrome version 148.0.7778.96 or later for all users with the Cast feature enabled.

Recommended defensive actions

  • Verify Chrome version 148.0.7778.96 or later for all users with the Cast feature enabled
  • Restrict access to the Cast feature for users with high-risk exposure
  • Monitor Chrome release notes for future updates

Evidence notes

The CVE Program and NVD records indicate that insufficient validation of untrusted input in Cast in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to perform privilege escalation via a crafted HTML page.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-8007 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-8007

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

  • CVE-2026-8007 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-8007

    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.