CVE-2021-47739 HIGH

CVE-2021-47739: Epic Games Easy Anti-Cheat 4.0 Local Privilege Escalation via Unquoted Service Path

Vendor Epic Games

Product Easy Anti-Cheat

Weakness CWE-428

Published December 23, 2025

Last update December 23, 2025

View on NVD All CVEs

CVSS base score

8.5/10

Attack vector Local

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality —

Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 23, 2025 CVE published

December 23, 2025 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2021-47739 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/428.html

Related vulnerabilities

CVE-2021-47739: Epic Games Easy Anti-Cheat 4.0 Local Privilege Escalation via Unquoted Service Path

01Description

02Disclosure timeline

03References

04Related CVE