CVE-2026-116099

CRITICAL 9.8CVE-2026-116099 · Published 26/10/2026 · updated 28/10/2026

In short

CVE-2026-116099 is a CRITICAL (CVSS 9.8) vulnerability affecting scp (fcs-ex).
Chance of exploitation in the next 30 days (EPSS): 0.38%, higher than 31.8% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
scp fcs-ex	`≤ 1.295`	No fix yet

Description

A flaw has been found in Fusion Creators Studio SCP Containment Breach Multiplayer up to 1.295. This issue affects the function BlitzBanks of the component Skynet++ Virtual Machine. Executing a manipulation can lead to out-of-bounds write. The attack can be executed remotely. The exploit has been published and may be used. Upgrading to version 1.3R is capable of addressing this issue. It is recommended to upgrade the affected component.

References

drbloop.dev/blog/one-click-remote-code-execution-in-scp-containment-breach-mutiplayer · Exploit
drbloop2000/SCP-CBM-RCE · Exploit
steamdb.info/patchnotes/25701366 · Patch
store.steampowered.com/news/app/1782380/view/670629296167978253 · Issue Tracking
vuldb.com/cve/CVE-2026-116099 · Third Party Advisory
vuldb.com/submit/1001276 · Third Party Advisory
vuldb.com/vuln/426167 · Third Party Advisory
vuldb.com/vuln/426167/cti · Third Party Advisory

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