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CVE-2026-17928 Google CVE debrief

A vulnerability in Google Chrome's DataTransfer implementation allowed a remote attacker to leak cross-origin data via a crafted HTML page. This issue was addressed in Chrome version 151.0.7922.72. The vulnerability, caused by an inappropriate implementation in Google Chrome's DataTransfer feature, allows a remote attacker to leak cross-origin data via a crafted HTML page. Defenders should prioritize verifying and applying the vendor-provided patch to prevent potential data leaks. The issue was addressed in Chrome version 151.0.7922.72, and defenders responsible for managing Google Chrome deployments should assess exposure and apply the vendor-provided patch to prevent potential

Vendor
Google
Product
Chrome
CVSS
MEDIUM 4.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-30
Original CVE updated
2026-10-23
Advisory published
2026-07-30
Advisory updated
2026-10-23

Who should care

Defenders responsible for managing Google Chrome deployments should assess exposure and apply the vendor-provided patch to prevent potential data leaks.

Why it matters

CVE-2026-17928 is a vulnerability in Google Chrome's DataTransfer implementation that allows a remote attacker to leak cross-origin data. Defenders should prioritize verifying and applying the vendor-provided patch to prevent potential data leaks. The vulnerability was addressed in Chrome version 151.0.7922.72.

  • Potential data leaks due to cross-origin data exposure
  • Need to verify and apply the vendor-provided patch to prevent exploitation
  • Monitoring Chrome versions for compliance with the patched version

Technical summary

The vulnerability, CVE-2026-17928, was caused by an inappropriate implementation in Google Chrome's DataTransfer feature. This allowed a remote attacker to leak cross-origin data via a crafted HTML page. The issue was addressed in Chrome version 151.0.7922.72.

Defensive priority

Defenders should prioritize verifying and applying the vendor-provided patch to prevent potential data leaks.

Recommended defensive actions

  • Verify and apply the vendor-provided patch to Chrome
  • Monitor Chrome versions for compliance with the patched version
  • Restrict access to sensitive data and systems

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, its impact, and the affected Chrome versions. The CVE record was published on 2026-07-30T01:16:57.030Z and has not been modified since then. The official CVE Program record and NVD detail page provide source-provided CVE metadata and source-specific vulnerability assessment. The release notes and vendor advisory also provide information on the patched version. Defenders should verify and apply the vendor-provided patch,

Sources and references

Verified primary and authoritative sources

  • CVE-2026-17928 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-17928

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

  • CVE-2026-17928 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-17928

    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.