EIP-2026-103363

PRE-CVE

Apple macOS 10.15.1 - Denial of Service (PoC)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103363. PoCs published by 08Tc3wBB.

AI-analyzed exploit summary This PoC exploits a denial-of-service vulnerability in Apple macOS and iOS by sending a malformed Mach message to the FSEvents service, causing a crash due to uninitialized memory access. The exploit leverages a logic flaw in the fsevent_add_client function where an uninitialized buffer is used without proper validation.

Description

Apple macOS 10.15.1 - Denial of Service (PoC)

Exploits (1)

exploitdb WORKING POC
by 08Tc3wBB · cdosmacos
https://www.exploit-db.com/exploits/47578

This PoC exploits a denial-of-service vulnerability in Apple macOS and iOS by sending a malformed Mach message to the FSEvents service, causing a crash due to uninitialized memory access. The exploit leverages a logic flaw in the fsevent_add_client function where an uninitialized buffer is used without proper validation.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Apple macOS < 10.15.1 / iOS < 13.2
No auth needed
Prerequisites: Access to the target system to send Mach messages to the FSEvents service
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026