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CVE-2026-17910 Google CVE debrief

CVE-2026-17910 debrief: Google Chrome for Android insufficient policy enforcement allows cross-origin data leak via crafted HTML pages, impacting deployments prior to version 151.0.7922.72. Defenders should assess exposure and apply updates to prevent potential cross-origin data leaks, verifying Chrome version and monitoring for suspicious activity. This vulnerability, caused by insufficient policy enforcement in NFC, allows remote attackers to leak cross-origin data. Defenders responsible for Google Chrome for Android deployments must prioritize verifying and applying updates to mitigate this issue.

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 Google Chrome for Android deployments should assess exposure and apply updates to prevent potential cross-origin data leaks

Why it matters

CVE-2026-17910 allows remote attackers to leak cross-origin data via crafted HTML pages, impacting Google Chrome for Android deployments prior to version 151.0.7922.72. Defenders should verify and apply updates, monitor for suspicious activity, and restrict access to sensitive data and systems.

  • Potential cross-origin data leaks
  • Verification of Chrome version and updates required
  • Monitoring for suspicious cross-origin data access attempts

Technical summary

Insufficient policy enforcement in NFC in Google Chrome on Android prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. This vulnerability impacts Google Chrome for Android deployments, requiring defenders to verify and apply updates to prevent potential cross-origin data leaks. The issue arises from the browser's inability to properly enforce policies, allowing malicious actors to exploit this weakness.

Defensive priority

Defenders should prioritize verifying and applying Chrome updates to prevent potential cross-origin data leaks

Recommended defensive actions

  • Verify and apply Chrome updates to version 151.0.7922.72 or later
  • Monitor for suspicious cross-origin data access attempts
  • Restrict access to sensitive data and systems

Evidence notes

Evidence from official CVE and NVD records indicate insufficient policy enforcement in Google Chrome for Android prior to version 151.0.7922.72. The vulnerability allows a remote attacker to leak cross-origin data via a crafted HTML page.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-17910 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-17910

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

  • CVE-2026-17910 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-17910

    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.