CVE-2026-113320 Google CVE debrief

Who should care

Defenders responsible for managing Google Chrome installations on iOS devices should assess their exposure and prioritize updating Chrome to version 156.0.8078.47 or later. They should also review compensating controls for exposed systems while remediation is scheduled and verified. Additionally, defenders should track exceptions, retest remediated assets, and close the item only after evidence is documented.

Why it matters

Defenders should prioritize verifying and updating Google Chrome on iOS to version 156.0.8078.47 or later due to a memory corruption vulnerability that could potentially allow a remote attacker to execute arbitrary code within the sandbox via a crafted HTML page.

• Potential execution of arbitrary code within the sandbox.
• Verification of Google Chrome version on iOS devices.
• Monitoring for crafted HTML pages.
• Updating Google Chrome to version 156.0.8078.47 or later.

Technical summary

The vulnerability is caused by a memory corruption issue in Google Chrome's Navigation feature on iOS. This could potentially allow a remote attacker to execute arbitrary code within the sandbox via a crafted HTML page. The issue was reported with a Medium severity level by the Chromium security team. The vulnerability affects Google Chrome on iOS prior to version 156.0.8078.47. The CVE record and source item provide details on the vulnerability, including its description, affected versions, and references to additional information.

Defensive priority

Defenders should prioritize verifying and updating Google Chrome on iOS to version 156.0.8078.47 or later, and assess their exposure to potential crafted HTML pages.

Recommended defensive actions

• Verify and update Google Chrome on iOS to version 156.0.8078.47 or later.
• Assess exposure to potential crafted HTML pages.
• Monitor Google Chrome's security advisories for future updates.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.

Evidence notes

The CVE record and source item provide details on the vulnerability, including its description, affected versions, and references to additional information. The vulnerability was reported with a Medium severity level by the Chromium security team. The source item provides CVE details, and the CVE Program record offers official CVE metadata. The official NIST NVD detail page and source-specific vulnerability assessment are also available for further information. The issue affects Google Chrome on iOS prior to version 156.0.8078.47.

Sources and 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.