What’s Vulnerable › Vulnerabilities

CVE-2023-41990: Apple Multiple Products Code Execution Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2024-01-08
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-09-12 · updated 2026-06-17

Description

The issue was addressed with improved handling of caches. This issue is fixed in tvOS 16.3, iOS 16.3 and iPadOS 16.3, macOS Monterey 12.6.8, macOS Big Sur 11.7.9, iOS 15.7.8 and iPadOS 15.7.8, macOS Ventura 13.2, watchOS 9.3. Processing a font file may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.1.

Affected products

• Apple iPadOS: before 15.7.8; from 16.0 before 16.3 — fixed in 15.7.8, 16.3
• Apple Iphone Os: before 15.7.8; from 16.0 before 16.3 — fixed in 15.7.8, 16.3
• Apple macOS: before 11.7.9; from 12.0.0 before 12.6.8; from 13.0 before 13.2 — fixed in 11.7.9, 12.6.8, 13.2
• Apple tvOS: before 16.3 — fixed in 16.3
• Apple watchOS: before 9.3 — fixed in 9.3

How to fix

Upgrade to a fixed version: Apple iPadOS 15.7.8, 16.3; Apple Iphone Os 15.7.8, 16.3; Apple macOS 11.7.9, 12.6.8, 13.2; Apple tvOS 16.3; Apple watchOS 9.3. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT213599
• https://support.apple.com/en-us/HT213601
• https://support.apple.com/en-us/HT213605
• https://support.apple.com/en-us/HT213606
• https://support.apple.com/en-us/HT213842
• https://support.apple.com/en-us/HT213844
• https://support.apple.com/en-us/HT213845
• https://support.apple.com/en-us/HT213599
• https://support.apple.com/en-us/HT213601
• https://support.apple.com/en-us/HT213605
• https://support.apple.com/en-us/HT213606
• https://support.apple.com/en-us/HT213842

Get alerted when CVE-2023-41990 or the next vulnerability affects your stack