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PatchSiren cyber security CVE debrief

CVE-2026-17966 Google CVE debrief

A local attacker can obtain potentially sensitive information from process memory in Google Chrome on Mac prior to 151.0.7922.72 via a crafted HTML page. This vulnerability exists due to inappropriate implementation in Views in Google Chrome. Mac system administrators and users should assess exposure and prioritize remediation to prevent potential information disclosure. The Chromium security severity is Low. The CVE record and NVD vulnerability detail indicate that the vulnerability exists in Google Chrome on Mac prior to 151.0.7922.72.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 6.2
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

Mac system administrators and users of Google Chrome on Mac systems should assess exposure and prioritize remediation. This vulnerability may allow local attackers to obtain sensitive information from process memory via crafted HTML pages. Verify Google Chrome version to prevent potential information disclosure and review compensating controls for exposed systems while remediation is scheduled and verified.

Why it matters

CVE-2026-17966 is a medium-severity vulnerability in Google Chrome on Mac prior to 151.0.7922.72 that allows local attackers to obtain potentially sensitive information from process memory via crafted HTML pages. Mac system administrators and users should assess exposure and prioritize remediation to prevent potential information disclosure.

  • Local attackers may obtain sensitive information from process memory
  • Information disclosure may occur via crafted HTML pages
  • Verify Google Chrome version to prevent potential information disclosure

Technical summary

Inappropriate implementation in Views in Google Chrome on Mac prior to 151.0.7922.72 allowed a local attacker to obtain potentially sensitive information from process memory via a crafted HTML page. This vulnerability is a result of inadequate security controls in the Views component of Google Chrome. Mac system administrators and users should assess exposure and prioritize remediation to prevent potential information disclosure.

Defensive priority

Medium-priority defensive actions are recommended to address this vulnerability.

Recommended defensive actions

  • Assess exposure and prioritize remediation for Google Chrome on Mac systems prior to 151.0.7922.72
  • Verify that Google Chrome is updated to 151.0.7922.72 or later
  • Monitor for potential information disclosure attempts

Evidence notes

The CVE record and NVD vulnerability detail indicate that the vulnerability exists in Google Chrome on Mac prior to 151.0.7922.72. The Chromium security severity is Low.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-17966 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-17966

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

  • CVE-2026-17966 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-17966

    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.