Vulnerability · Published Dec 23, 2025 · Assigned by VulnCheck
CVE-2021-47739Epic Games Easy Anti-Cheat 4.0 Local Privilege Escalation via Unquoted Service Path
High 8.4
In plain English
A high-severity security flaw in Easy Anti-Cheat from Epic Games. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Severity (CVSS 3.1)8.4High
Exploit odds (30 days)0.2%top 91.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Epic Games Easy Anti-Cheat 4.0 contains an unquoted service path vulnerability that allows local non-privileged users to execute arbitrary code with elevated system privileges. Attackers can exploit the service configuration by inserting malicious code in the system root path that would execute with LocalSystem privileges during application startup.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Epic Games | Easy Anti-Cheat | 4.0 |
Weakness: CWE-428 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-49841 exploit
- Epic Games Official Website product
- Easy Anti-Cheat Official Website product
- Zero Science Lab Disclosure (ZSL-2021-5652) third-party-advisory
- VulnCheck Advisory: Epic Games Easy Anti-Cheat 4.0 Local Privilege Escalation via Unquoted Service Path third-party-advisory