What’s Vulnerable › Vulnerabilities

CVE-2025-43186

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-30 · updated 2026-06-17
• Weakness: CWE-119

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7, tvOS 18.6, visionOS 2.6, watchOS 11.6. Parsing a file may lead to an unexpected app termination.

Affected products

• Apple iPadOS: before 18.6 — fixed in 18.6
• Apple Iphone Os: before 18.6 — fixed in 18.6
• Apple macOS: before 13.7.7; from 14.0 before 14.7.7; from 15.0 before 15.6 — fixed in 13.7.7, 14.7.7, 15.6
• Apple tvOS: before 18.6 — fixed in 18.6
• Apple visionOS: before 2.6 — fixed in 2.6
• Apple watchOS: before 11.6 — fixed in 11.6

How to fix

Upgrade to a fixed version: Apple iPadOS 18.6; Apple Iphone Os 18.6; Apple macOS 13.7.7, 14.7.7, 15.6; Apple tvOS 18.6; Apple visionOS 2.6; Apple watchOS 11.6. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/124147
• https://support.apple.com/en-us/124149
• https://support.apple.com/en-us/124150
• https://support.apple.com/en-us/124151
• https://support.apple.com/en-us/124153
• https://support.apple.com/en-us/124154
• https://support.apple.com/en-us/124155
• http://seclists.org/fulldisclosure/2025/Jul/30
• http://seclists.org/fulldisclosure/2025/Jul/32
• http://seclists.org/fulldisclosure/2025/Jul/33
• http://seclists.org/fulldisclosure/2025/Jul/34
• http://seclists.org/fulldisclosure/2025/Jul/36

Get alerted when CVE-2025-43186 or the next vulnerability affects your stack