8.5

CVE-2021-47739: epic games easy anti-cheat Unquoted Search Path or Element

CVSS: 8.5v4.0HighDeferred
Published 23-12-2025Last modified 23-12-2025
Open JSON

Vulnerability summary

CVE-2021-47739 is a high (CVSS 8.5) Unquoted Search Path or Element vulnerability in epic games easy anti-cheat. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
44/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.5/10
010
High · v4.0 (CVE.org)
EPSS score
0.18%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 23-12-2025
    PublishedVulnerability first disclosed.
  2. 23-12-2025
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

0.00 pp

From 0.18% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databaselocalwindowsUnverified

    Epic Games Easy Anti-Cheat 4.0 - Local Privilege Escalation

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Epic games1 product

1 vendor · 1 product

References

5 links