What’s Vulnerable › Vulnerabilities

CVE-2026-43704

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-29 · updated 2026-07-27
• Weakness: CWE-416

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious web extension may be able to cause an unexpected process crash.

Affected products

• Apple iPadOS: before 26.5.2 — fixed in 26.5.2
• Apple Iphone Os: before 26.5.2 — fixed in 26.5.2
• Apple macOS: before 26.5.2 — fixed in 26.5.2
• Apple Safari: before 26.5.2 — fixed in 26.5.2

How to fix

Upgrade to a fixed version: Apple iPadOS 26.5.2; Apple Iphone Os 26.5.2; Apple macOS 26.5.2; Apple Safari 26.5.2. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/127594
• https://support.apple.com/en-us/127595
• https://support.apple.com/en-us/127685
• https://support.apple.com/en-us/128068
• https://support.apple.com/en-us/128069
• https://support.apple.com/en-us/128070

Get alerted when CVE-2026-43704 or the next vulnerability affects your stack