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CVE-2023-41993

HighPublished

Apple Multiple Products WebKit Code Execution Vulnerability

Published: Sep 21, 2023
Updated: Nov 4, 2025
Assigning CNA: apple
Evidence observed: Sep 25, 2023

Primary CVSS

8.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS probability estimate

29.2%

Moderate · next 30 days

Percentile: 98.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

CISA Known Exploited

This CVE appears in the CISA Known Exploited Vulnerabilities catalog.

Summary

The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.

Sources

CVE-2023-41993PoC
CVE-2023-41993
CVE-2023-41993PoC
Proof-of-concept exploit for CVE-2023-41993, a WebKit vulnerability in iOS 17.0 and macOS 14.0, demonstrating addrof/fakeobj primitives for browser engine exploitation.
POC-for-CVE-2023-41993Exploit
Proof-of-concept exploit for CVE-2023-41993, a WebKit JIT type confusion in Safari. Provides addrof/fakeobj primitives via heap manipulation and GetterSetter confusion, enabling arbitrary read/write in the WebContent process.

Responsible use

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cve-2023-41993-testPoC

Proof-of-concept exploit for CVE-2023-41993, demonstrating a WebKit vulnerability with post-exploitation techniques and binary exploitation references.