CVE-2026-19143 Google CVE debrief

Who should care

Google Chrome users on Android, particularly those who may be targeted by local attackers, should apply the patch to prevent potential sandbox escapes. This includes users with high-risk exposure, such as those handling sensitive data or operating in high-threat environments. Affected operators and security teams should prioritize patching and review compensating controls for exposed systems while remediation is scheduled and verified. Vulnerability management and security teams should track exceptions, retest remediated assets, and close the item only after evidence is documented. Platform and asset inventory teams should also review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. Monitoring and detection teams should check relevant logs for exposed assets that need extra review. Asset owners should confirm whether affected product deployments exist in managed environments and assign an owner for follow-up. Change management teams should plan vendor-supported updates or mitigations through normal change control where exposure is confirmed. These efforts should be coordinated to ensure comprehensive mitigation and minimize potential impact. Additional security controls, such as restricting access to untrusted files and monitoring for suspicious activity, are also recommended to prevent sandbox escapes. By taking these steps, organizations can reduce the risk associated with this vulnerability and protect their assets from potential attacks. This vulnerability can be mitigated by applying patches and implementing compensating controls. However, it is essential to verify the effectiveness of these mitigations and ensure that they are properly documented. Therefore, it is crucial to review and update incident response plans to address this vulnerability and ensure that all necessary steps are taken to prevent sandbox escapes. The CVE record was published on 2026-08-06T22:16:56.423Z and has not been modified since then. The NVD entry is currently Analyzed. The vulnerability has a high severity score of 8.6 and requires immediate attention. Affected Google Chrome users on Android should apply patches immediately

Technical summary

Insufficient validation of untrusted input in WebAPKs in Google Chrome on Android prior to 151.0.7922.109 allowed a local attacker to potentially perform a sandbox escape via a malicious file. This vulnerability has a high severity score of 8.6 and requires immediate attention. The issue is related to WebAPKs in Google Chrome on Android, and users should apply the patch to update Google Chrome on Android to version 151.0.7922.109 or later. Implementing additional security controls to prevent sandbox escapes is also recommended.

Defensive priority

High severity vulnerability in Google Chrome on Android, requiring immediate attention to prevent potential sandbox escapes.

Recommended defensive actions

• Apply the patch to update Google Chrome on Android to version 151.0.7922.109 or later.
• Restrict access to untrusted files and monitor for suspicious activity.
• Implement additional security controls to prevent sandbox escapes.
• 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.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

Insufficient validation of untrusted input in WebAPKs in Google Chrome on Android prior to 151.0.7922.109 allowed a local attacker to potentially perform a sandbox escape via a malicious file. Evidence is based on official CVE and NVD records, as well as vendor advisories. The vulnerability has a high severity score of 8.6 and requires immediate attention. Affected Google Chrome users on Android should apply patches immediately to prevent potential sandbox escapes. Additional verification is recommended to confirm exposure and ensure proper mitigation.

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.