CVE-2026-116370 json
2K Games Sid Meier's Civilization VI Lua sandbox loadstring type confusion
published 14d ago modified 3d ago also EUVD-2026-109977
- cvss
- 6.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 33%
- public exploits
- 0
- none known
Summary
A security flaw has been discovered in 2K Games Sid Meier's Civilization VI 1.0.12.68. The affected element is the function loadstring of the component Lua sandbox. Performing a manipulation results in type confusion. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The patch is named Hotfix November 2026. The vendor was contacted early about this disclosure.
Patch / fix
Is CVE-2026-116370 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 7d ago
Exploit prediction
0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/drbloop2000/Sid-Meier-s-Civilization-VI-RCE/blob/main/Exploit.lua referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/drbloop2000/Sid-Meier-s-Civilization-VI-RCE referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P |
| CNA | 3.1 | 6.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C |
| CNA | 3.0 | 6.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C |
| CNA | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C |
| CNA | 4.0 | 2.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| CNA | 3.1 | 6.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L |
| NVD | 3.1 | 9.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
| CNA | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- 2K Games Sid Meier's Civilization VI
Classification
- Weakness
-
- CWE-843 Access of Resource Using Incompatible Type
References
-
store.steampowered.com
/news/app/289070/view/695403007258394835?l=english
patch
-
github.com
/drbloop2000/Sid-Meier-s-Civilization-VI-RCE/blob/main/Exploit.lua
exploit, product
-
github.com
/drbloop2000/Sid-Meier-s-Civilization-VI-RCE
related, exploit, issue-tracking
-
vuldb.com
/vuln/426334
vdb-entry, technical-description, third-party-advisory
-
vuldb.com
/vuln/426334/cti
signature, permissions-required, third-party-advisory, vdb-entry
-
vuldb.com
/cve/CVE-2026-116370
third-party-advisory, vdb-entry
-
vuldb.com
/submit/1013119
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2026-116370
- NVD CVE-2026-116370
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.