CVE-2026-113252 Google CVE debrief

Who should care

Defenders responsible for managing Google Chrome deployments on Windows should assess exposure and apply patches. This vulnerability could lead to code execution outside the sandbox, which requires immediate attention.

Why it matters

CVE-2026-113252 is a High severity vulnerability in Google Chrome on Windows that could allow remote code execution outside the sandbox. Defenders should verify exposure, apply patches, and review system logs for potential exploitation attempts.

• Potential code execution outside the sandbox requires verification and patching.
• Defenders should review system logs for exploitation attempts.
• Implementing additional security measures such as sandboxing and network segmentation is recommended.

Technical summary

The vulnerability is caused by improper input validation in ANGLE within Google Chrome on Windows. This could allow a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. The issue was reported by an external researcher and is considered High severity by the Chromium security team. The vulnerability affects Google Chrome on Windows prior to version 156.0.8078.47. Defenders should prioritize verifying exposure and applying patches due to the potential for code execution outside the sandbox.

Defensive priority

Defenders should prioritize verifying exposure and applying patches due to the potential for code execution outside the sandbox.

Recommended defensive actions

• Verify if Google Chrome on Windows is running version 156.0.8078.47 or earlier and update to 156.0.8078.47 or later.
• Review system logs for potential exploitation attempts.
• Implement additional security measures such as sandboxing and network segmentation.
• Track exceptions and retest remediated assets.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
• 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 and affected versions. However, additional information on exploitation or impact is limited. Defenders should verify if Google Chrome on Windows is running version 156.0.8078.47 or earlier and review system logs for potential exploitation attempts. Limited evidence suggests that this vulnerability could be exploited in a sandboxed environment, but additional research is needed to confirm this.

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.