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PatchSiren cyber security CVE debrief

CVE-2026-17964 Google CVE debrief

CVE-2026-17964 is a Medium severity vulnerability in Google Chrome on Android, allowing remote attackers to perform domain spoofing via a crafted HTML page. The vulnerability was published on 2026-07-30T01:17:00.883Z and last modified on 2026-10-23T22:10:00.160Z. Defenders should assess exposure and prioritize patching to prevent potential domain spoofing attacks. This Incorrect security UI issue affects Google Chrome on Android prior to 151.0.7922.72. The CVSS score is 4.3, indicating a Medium severity vulnerability.

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 on Android deployments should assess exposure and prioritize patching to prevent potential domain spoofing attacks.

Why it matters

CVE-2026-17964 is a Medium severity vulnerability in Google Chrome on Android, allowing remote attackers to perform domain spoofing via a crafted HTML page. Defenders should prioritize verifying and applying the patch to prevent potential domain spoofing attacks.

  • Potential domain spoofing attacks
  • Compromised user trust and credibility
  • Phishing and social engineering risks
  • Reputation damage from successful attacks

Technical summary

The vulnerability is caused by an Incorrect security UI issue in Google Chrome on Android prior to 151.0.7922.72, allowing remote attackers to perform domain spoofing via a crafted HTML page. This issue has a CVSS score of 4.3 and is classified as Medium severity. Defenders should prioritize verifying and applying the patch to prevent potential domain spoofing attacks.

Defensive priority

Defenders should prioritize verifying and applying the patch to prevent potential domain spoofing attacks.

Recommended defensive actions

  • Verify and apply the patch to Google Chrome on Android
  • Monitor for potential domain spoofing attacks
  • Review and update incident response plans

Evidence notes

The vulnerability is described as an Incorrect security UI issue in Google Chrome on Android prior to 151.0.7922.72, with a CVSS score of 4.3 and severity of MEDIUM.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-17964 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-17964

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

  • CVE-2026-17964 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-17964

    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.