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Type confusion in 2K Games Civilization V Lua Sandbox loadstring

Priority MEDIUM 63CWE-843Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

2K Games Civilization V from 1.0.3.144 is affected. Manipulating the loadstring function of the Lua Sandbox component leads to type confusion (CWE-843). A remote attacker without privileges can trigger it, though a user must take part. A public exploit has been disclosed, and the vendor did not respond to early contact about the disclosure.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Description from the CNA

A vulnerability was determined in 2K Games Civilization V 1.0.3.144. Impacted is the function loadstring of the component Lua Sandbox. Executing a manipulation can lead to type confusion. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00303 23rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
2K GamesCivilization V1.0.3.144—No fix listedCNA
  • Civilization V Vendor2K Games Affected 1.0.3.144 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:2k:sid_meiers_civilization_v:1.0.3.144:*:*:*:*:*:*:*1.0.3.144Vulnerable2k
  • cpe:2.3:a:2k:sid_meiers_civilization_v:1.0.3.144:*:*:*:*:*:*:* Versions 1.0.3.144 Vulnerable ·2k

Remediation

The sources list no fixed version for Civilization V.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Timeline

  1. 2026-10-26 Threatist record created from CVE-2026-116111
  2. 2026-10-26 CISA SSVC decision points changed
  3. 2026-10-26 Priority changed: LOW → MEDIUM
  4. 2026-10-27 Alias added: GHSA-qqv4-567f-4g4p
  5. 2026-10-28 CVSS score added · NVD
  6. 2026-10-29 CVSS score changed · NVD

References

  • TI-2026-80484 Type confusion in 2K Games Sid Meier's Civilization VI Lua sandbox CVSS 4.0MEDIUM 5.3
  • TI-2009-02778 Format string vulnerability in the CNS_AddTxt function in logs.dll in 2K Games Vietcong 2… CVSS 2.0HIGH 9.3

Sources