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PatchSiren cyber security CVE debrief

CVE-2026-17961 Google CVE debrief

CVE-2026-17961 is an inappropriate implementation in Session in Google Chrome on Android prior to 151.0.7922.72 that allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. The CVSS score is 4.3, and the severity is MEDIUM. This vulnerability affects Google Chrome on Android deployments. Defenders should assess exposure and prioritize verification of their versions. The CVE record and NVD vulnerability detail page provide information on the vulnerability, including its description, CVSS score, and affected 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 Google Chrome on Android deployments should assess exposure and prioritize verification of their versions. This includes operators, platform administrators, vulnerability management teams, and security teams who need to ensure that their Google Chrome on Android versions are up-to-date and properly configured.

Why it matters

CVE-2026-17961 is a MEDIUM severity vulnerability in Google Chrome on Android that allows a remote attacker to bypass navigation restrictions. Defenders should prioritize verifying their versions and ensuring proper implementation of navigation restrictions.

  • Verify if Google Chrome on Android versions are prior to 151.0.7922.72
  • Ensure navigation restrictions are properly implemented
  • Monitor for potential crafted HTML page attacks

Technical summary

The vulnerability is caused by an inappropriate implementation in Session in Google Chrome on Android prior to 151.0.7922.72. This allows a remote attacker to bypass navigation restrictions via a crafted HTML page. The affected product is Google Chrome on Android. Defenders should prioritize verifying if their Google Chrome on Android versions are prior to 151.0.7922.72 and consider updating to the latest version.

Defensive priority

Defenders should prioritize verifying if their Google Chrome on Android versions are prior to 151.0.7922.72 and consider updating to the latest version.

Recommended defensive actions

  • Verify Google Chrome on Android versions and update to 151.0.7922.72 or later if necessary
  • Review navigation restrictions and ensure they are properly implemented
  • Monitor for potential crafted HTML page attacks

Evidence notes

The CVE record and NVD vulnerability detail page provide information on the vulnerability, including its description, CVSS score, and affected versions.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-17961 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-17961

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

  • CVE-2026-17961 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-17961

    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.