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CVE-2026-17945 Google CVE debrief

CVE-2026-17945 debrief: Google Chrome insufficient validation of untrusted input in Navigation prior to 151.0.7922.72 allows remote attackers to perform UI spoofing via crafted HTML pages, with a CVSS score of 4.3 (MEDIUM). This vulnerability affects Google Chrome versions prior to 151.0.7922.72. Defenders should assess exposure and prioritize updates to mitigate UI spoofing risks. The CVE record and NVD entry provide details on the vulnerability, including its CVSS score and affected Chrome versions.

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 prioritize updates to mitigate UI spoofing risks. This includes IT administrators, security teams, and personnel responsible for maintaining Chrome installations. They should verify Chrome versions and update to 151.0.7922.72 or later to prevent potential phishing or social engineering attacks.

Why it matters

CVE-2026-17945 is a MEDIUM-severity vulnerability in Google Chrome that allows remote attackers to perform UI spoofing via crafted HTML pages. Defenders should prioritize verifying Chrome versions and updating to 151.0.7922.72 or later to mitigate UI spoofing risks.

  • Remote attackers can perform UI spoofing
  • Potential phishing or social engineering risks
  • Need to verify Chrome versions and update to 151.0.7922.72 or later

Technical summary

Insufficient validation of untrusted input in Navigation in Google Chrome prior to 151.0.7922.72 allows remote attackers to perform UI spoofing via crafted HTML pages. This vulnerability is a result of inadequate input validation in the Navigation component of Google Chrome. Defenders should prioritize verifying Chrome versions and updating to 151.0.7922.72 or later to mitigate UI spoofing risks.

Defensive priority

Defenders should prioritize verifying Chrome versions and updating to 151.0.7922.72 or later to mitigate UI spoofing risks.

Recommended defensive actions

  • Verify Chrome browser versions are up-to-date
  • Update Chrome to version 151.0.7922.72 or later
  • Monitor for suspicious UI activity

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its CVSS score and affected Chrome versions. Evidence is limited to publicly available information from the CVE Program and NVD. Defenders should verify Chrome versions and update to 151.0.7922.72 or later to mitigate UI spoofing risks. The vulnerability allows remote attackers to perform UI spoofing via crafted HTML pages.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-17945 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-17945

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

  • CVE-2026-17945 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-17945

    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.