Type Confusion Vulnerability in 2K Games Sid Meier's Civilization IV Lua Sandbox
CVE-2026-116370

5.3MEDIUM

Key Information:

Vendor

2k Games

Status
Sid Meier's Civilization Iv
Vendor
CVE Published:
26 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-116370?

A security flaw in 2K Games Sid Meier's Civilization IV has been identified, specifically in the loadstring function within the Lua sandbox component. This vulnerability allows for type confusion attacks, enabling potential exploitation. If executed, attackers may manipulate this flaw remotely to perform unauthorized actions. The issue is publicly known and has been documented, prompting inquiries to the vendor for early disclosure.

Affected Version(s)

Sid Meier's Civilization IV 1.0.12.68

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-116370 - Proof of Concept

References

https://vuldb.com/vuln/426334
vdb-entrytechnical-description
https://vuldb.com/vuln/426334/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-116370
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

VulDB CNA Team
.