High severity · published Dec 23, 2025
CVE-2021-47739
Epic Games Easy Anti-Cheat 4.0 Local Privilege Escalation via Unquoted Service Path
8.4
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EA
Easy Anti-Cheat · Epic Games
4.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-47739
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-47739
www.easy.ac
https://www.easy.ac
www.epicgames.com
https://www.epicgames.com
www.exploit-db.com
https://www.exploit-db.com/exploits/49841
www.vulncheck.com
https://www.vulncheck.com/advisories/epic-games-easy-anti-cheat-local-privilege-escalation-via-unquoted-service-path
www.zeroscience.mk
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5652.php