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CVE-2021-47739

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

Published: Dec 23, 2025Updated: Dec 29, 2025 Sources: CVE List NVDCWE-428

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 Breakdown

AV:LAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

Affected Products

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

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MITRE ATT&CK

1 technique
Persistence
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References

and 2 more references View all →

Timeline

Published
Dec 23, 2025
Last Updated
Dec 29, 2025

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