CVE-2021-47739

Epic Games Easy Anti-Cheat 4.0 Local Privilege Escalation via Unquoted Service Path

CVSS 8.5 HIGHEPSS 0.2%CWE-428

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.5EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

23 Dec 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected products

Epic Games · Easy Anti-Cheat

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References

https://www.easy.ac https://www.epicgames.com https://www.exploit-db.com/exploits/49841 https://www.vulncheck.com/advisories/epic-games-easy-anti-cheat-local-privilege-escalation-via-unquoted-service-path https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5652.php