CVE-2026-113265 Google CVE debrief

Who should care

Defenders responsible for Google Chrome deployments should assess exposure and prioritize patching, as the vulnerability has a medium severity rating and could potentially lead to sandbox escapes.

Why it matters

The CVE-2026-113265 vulnerability in Google Chrome's BFCache could allow a remote attacker to potentially execute arbitrary code inside the sandbox. Defenders should prioritize verifying exposure and applying patches for Google Chrome versions prior to 156.0.8078.47.

• Potential sandbox escapes require verification and mitigation
• Defenders must verify exposure and apply patches for Google Chrome versions prior to 156.0.8078.47
• The vulnerability has a medium severity rating and could lead to arbitrary code execution inside the sandbox

Technical summary

The vulnerability is a memory corruption issue in BFCache in Google Chrome prior to 156.0.8078.47. A remote attacker could potentially execute arbitrary code inside the sandbox via a crafted HTML page. The vulnerability has a medium severity rating and defenders should prioritize verifying exposure and applying patches for Google Chrome versions prior to 156.0.8078.47. This issue affects Google Chrome's BFCache component and could lead to sandbox escapes if exploited. Defenders should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Defensive priority

Defenders should prioritize verifying exposure and applying patches for Google Chrome versions prior to 156.0.8078.47, as the vulnerability has been publicly disclosed and has a medium severity rating.

Recommended defensive actions

• Verify and apply patches for Google Chrome versions prior to 156.0.8078.47
• Monitor Google Chrome updates and ensure the latest version is deployed
• Review and update incident response plans to address potential sandbox escapes
• 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
• Review compensating controls for exposed systems while remediation is scheduled and verified
• 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 has been publicly disclosed and has a medium severity rating. Defenders should verify exposure and apply patches for Google Chrome versions prior to 156.0.8078.47. The source item and CVE record provide evidence of the vulnerability's existence and its potential impact.

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.