CVE-2023-43000

HIGH 8.8

⚠️ CISA KEV

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.

Vendor	apple
Product	macos
Ecosystems	macOS iOS
Industries	Technology
Published	Nov 5, 2025
Last Updated	Mar 12, 2026

⚠️ Actively Exploited — Act Now

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Affected Versions

Apple / macOS

unspecified < 13.5

Apple / iOS and iPadOS

unspecified < 16.6

Apple / Safari

unspecified < 16.6

Apple / iOS and iPadOS

unspecified < 15.8.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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