PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-17917 Google CVE debrief

CVE-2026-17917 is a Medium severity vulnerability in Google Chrome for iOS prior to version 151.0.7922.72. It allows a remote attacker to bypass discretionary access control via a crafted HTML page due to insufficient policy enforcement. The CVSS score is 6.5. This vulnerability affects Google Chrome for iOS deployments, and defenders should assess exposure and prioritize updating to the latest version. The vulnerability is caused by insufficient policy enforcement in Google Chrome for iOS, which can be exploited by a remote attacker via a crafted HTML page.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 6.5
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 for iOS deployments should assess exposure and prioritize updating to the latest version. This includes verifying and updating Google Chrome for iOS to version 151.0.7922.72 or later, and monitoring for potential bypass attempts of discretionary access control. Additionally, defenders should review and adjust access control policies as necessary to prevent potential

Why it matters

CVE-2026-17917 is a Medium severity vulnerability in Google Chrome for iOS that allows remote attackers to bypass discretionary access control. Defenders should prioritize verifying and updating Google Chrome for iOS to version 151.0.7922.72 or later, and monitor for potential bypass attempts of discretionary access control.

  • Verify and update Google Chrome for iOS to version 151.0.7922.72 or later to prevent potential bypass attempts of discretionary access control
  • Monitor for potential bypass attempts of discretionary access control to detect possible exploitation attempts

Technical summary

Insufficient policy enforcement in Google Chrome for iOS prior to version 151.0.7922.72 allows a remote attacker to bypass discretionary access control via a crafted HTML page. This vulnerability affects Google Chrome for iOS deployments, and defenders should assess exposure and prioritize updating to the latest version. The vulnerability can be exploited by a remote attacker via a crafted HTML page, and it has a CVSS score of 6.5.

Defensive priority

Defenders should prioritize verifying and updating Google Chrome for iOS to version 151.0.7922.72 or later, and monitor for potential bypass attempts of discretionary access control.

Recommended defensive actions

  • Verify and update Google Chrome for iOS to version 151.0.7922.72 or later
  • Monitor for potential bypass attempts of discretionary access control
  • Review and adjust access control policies as necessary

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, including its description, CVSS score, and affected versions. The vulnerability is caused by insufficient policy enforcement in Google Chrome for iOS, and it affects Google Chrome for iOS prior to version 151.0.7922.72. Defenders should verify and update Google Chrome for iOS to version 151.0.7922.72 or later, and monitor for potential bypass attempts of discretionary access control. The CVE record was last

Sources and references

Verified primary and authoritative sources

  • CVE-2026-17917 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-17917

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

  • CVE-2026-17917 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-17917

    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.