CVE-2023-43000

HIGHCVSS 8.8Known Exploited

CISA Known Exploited Vulnerability

https://support.apple.com/en-us/120324 ; https://support.apple.com/en-us/120331 ; https://support.apple.com/en-us/120338 ; https://nvd.nist.gov/vuln/detail/CVE-2023-43000

Remediation deadline: March 26, 2026

Description

Apple macOS, iOS, iPadOS, and Safari 16.6 contain a use-after-free vulnerability due to the processing of maliciously crafted web content that may lead to memory corruption.

Timeline

Published:November 5th, 2025 7:15 PM

Last modified:September 21st, 2026 6:17 PM

Added to KEV:March 5th, 2026

CVSS Scoring

CVSS v3: 8.8 (HIGH)

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

Affected Software

From NVD CPE configuration data

Vendors

apple

Products

safariipadosiphone_osmacos

Weaknesses (CWE)

CWE-416

References & Reports

Advisories, patches, and third-party reports

https://support.apple.com/en-us/120324Release Notes
https://support.apple.com/en-us/120331Release Notes
https://support.apple.com/en-us/120338Release Notes
https://support.apple.com/en-us/126632Release Notes
https://cloud.google.com/blog/topics/threat-intelligence/coruna-powerful-ios-exploit-kitExploit
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-43000US Government Resource

Source: NIST NVD · Data may lag official sources by up to one minute