What’s Vulnerable › Vulnerabilities

CVE-2023-32435: Apple Multiple Products WebKit Memory Corruption Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2023-06-23
• EPSS: 23.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-23 · updated 2026-06-17
• Weakness: CWE-787

Description

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Ventura 13.3, Safari 16.4, iOS 16.4 and iPadOS 16.4, iOS 15.7.7 and iPadOS 15.7.7. 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 released before iOS 15.7.

Affected products

• Apple iPadOS: before 15.7.7; from 16.0 before 16.4 — fixed in 15.7.7, 16.4
• Apple Iphone Os: before 15.7.7; from 16.0 before 16.4 — fixed in 15.7.7, 16.4
• Apple macOS: from 13.0 before 13.3 — fixed in 13.3
• Apple Safari: before 16.4 — fixed in 16.4

How to fix

Upgrade to a fixed version: Apple iPadOS 15.7.7, 16.4; Apple Iphone Os 15.7.7, 16.4; Apple macOS 13.3; Apple Safari 16.4. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT213670
• https://support.apple.com/en-us/HT213671
• https://support.apple.com/en-us/HT213676
• https://support.apple.com/en-us/HT213811
• https://support.apple.com/en-us/HT213670
• https://support.apple.com/en-us/HT213671
• https://support.apple.com/en-us/HT213676
• https://support.apple.com/en-us/HT213811
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32435

Get alerted when CVE-2023-32435 or the next vulnerability affects your stack