CVE-2026-106367 Google CVE debrief

Who should care

Defenders responsible for managing Google Chrome on Android devices should assess exposure and prioritize updates to version 155.0.8059.39 or later. This includes verifying Android Chrome versions, monitoring for co-installed apps that could be used to exploit this vulnerability, and implementing social engineering defenses to prevent local attackers from leveraging this vulnerability. Additionally, defenders should review compensating controls for exposed

Why it matters

CVE-2026-106367 allows local attackers to potentially execute arbitrary code outside the sandbox via a co-installed app on Android Chrome prior to version 155.0.8059.39. Defenders should prioritize verifying Android Chrome versions and ensuring updates are applied.

• Verify Android Chrome versions to prevent potential code execution
• Monitor for co-installed apps that could be used to exploit this vulnerability
• Implement social engineering defenses to prevent local attackers from leveraging this vulnerability

Technical summary

The vulnerability is due to missing authorization in Google Chrome on Android prior to version 155.0.8059.39, allowing a local attacker to potentially execute arbitrary code outside the sandbox via a co-installed app. The vulnerability has a reported severity of Medium. Defenders should prioritize verifying Android Chrome versions and ensuring updates to version 155.0.8059.39 or later are applied. The CVE Program record and NIST NVD detail page provide additional information on the vulnerability, including its description, affected versions, and references to additional information.

Defensive priority

Defenders should prioritize verifying Android Chrome versions and ensuring updates to version 155.0.8059.39 or later are applied.

Recommended defensive actions

• Verify Android Chrome versions and apply updates to version 155.0.8059.39 or later
• Monitor for co-installed apps that could be used to exploit this vulnerability
• Implement social engineering defenses to prevent local attackers from leveraging this vulnerability
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

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 is a missing authorization issue in Google Chrome on Android prior to version 155.0.8059.39. Defenders should verify Android Chrome versions and ensure updates are applied. The CVE Program record and NIST NVD detail page provide additional information on the vulnerability.

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.