CVE-2026-116099 Fusion Creators Studio CVE debrief

Who should care

Defenders responsible for Fusion Creators Studio SCP Containment Breach Multiplayer deployments should assess exposure and prioritize upgrading to version 1.3R. This includes operators, platform administrators, vulnerability management teams, and security teams who need to review and verify the affected component, monitor for potential exploitation attempts, and track exceptions and retest remediated assets.

Why it matters

This vulnerability in Fusion Creators Studio SCP Containment Breach Multiplayer requires attention from defenders to assess exposure and take remediation actions.

• Remote exploitation of this vulnerability may lead to potential security breaches
• Successful exploitation could result in unauthorized modifications to the system
• Defenders should verify if their current version is affected and prioritize upgrading
• Inventory checks and monitoring for exploitation attempts are recommended

Technical summary

The BlitzBanks function of the Skynet++ Virtual Machine component in Fusion Creators Studio SCP Containment Breach Multiplayer up to version 1.295 is vulnerable to an out-of-bounds write. This issue can be exploited remotely, potentially leading to security breaches and unauthorized modifications. Defenders should assess exposure and prioritize upgrading to version 1.3R. The vulnerability requires attention from defenders to assess exposure and take remediation actions. Successful exploitation could result in unauthorized modifications to the system.

Defensive priority

Defenders should prioritize upgrading to version 1.3R to address this vulnerability.

Recommended defensive actions

• Upgrade to version 1.3R
• Review and verify the affected component
• Monitor for potential exploitation attempts
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• 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

Evidence notes

The CVE record and source item provide details about the vulnerability, including its existence in version 1.295 and its fix in version 1.3R. Defenders should verify if their current version is affected and review the official advisory for specific guidance. The exploit has been made public, and defenders should assess exposure and prioritize upgrading to version 1.3R. Limited source detail is available, and further verification is recommended.

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.