CVE-2018-4193

HIGH

macOS < 10.13.5 - Memory Corruption in Windows Server Component

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2018-4193. PoCs published by Synacktiv, Synacktiv-contrib.

AI-analyzed exploit summary This exploit targets CVE-2018-4193, a use-after-free vulnerability in Apple's WindowServer. It leverages heap manipulation and ROP chains to achieve arbitrary code execution.

Description

An issue was discovered in certain Apple products. macOS before 10.13.5 is affected. The issue involves the "Windows Server" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

Exploits (2)

exploitdb WORKING POC
by Synacktiv · localmacos
https://www.exploit-db.com/exploits/46428

This exploit targets CVE-2018-4193, a use-after-free vulnerability in Apple's WindowServer. It leverages heap manipulation and ROP chains to achieve arbitrary code execution.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Complex
Reliability
Reliable
Target: Apple macOS WindowServer (versions affected by CVE-2018-4193)
No auth needed
Prerequisites: Local access to a vulnerable macOS system
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec STUB 69 stars
by Synacktiv-contrib · poc
https://github.com/Synacktiv-contrib/CVE-2018-4193

The repository contains only a README.md file with a title mentioning CVE-2018-4193 but no actual exploit code or technical details. It appears to be a placeholder or incomplete submission.

Classification
Stub 10%
Attack Type
Other
Complexity
Trivial
Reliability
Theoretical
Target: unknown
No auth needed
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/107135
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1041027
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/46428/
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208849

Scores

CVSS v3 7.8
EPSS 0.0569
EPSS Percentile 92.0%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (1)
apple/mac_os_x < 10.13.5
Published Jun 08, 2018
Tracked Since Feb 18, 2026