What’s Vulnerable › Vulnerabilities

CVE-2026-84489

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-14 · updated 2026-10-26
• Weakness: CWE-120

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. An app may be able to cause a denial of service.

Affected products

• Apple iPadOS: before 18.7.10 — fixed in 18.7.10
• Apple Iphone Os: before 18.7.10 — fixed in 18.7.10
• Apple macOS: from 14.0 before 14.8.8; from 15.0 before 15.7.8 — fixed in 14.8.8, 15.7.8
• Apple iOS and iPadOS: before 18.7.10; before 27 — fixed in 18.7.10, 27
• Apple macOS: before 14.8.8; before 15.7.8; before 27 — fixed in 14.8.8, 15.7.8, 27

How to fix

Upgrade to a fixed version: Apple iPadOS 18.7.10; Apple Iphone Os 18.7.10; Apple macOS 14.8.8, 15.7.8; Apple iOS and iPadOS 18.7.10, 27; Apple macOS 14.8.8, 15.7.8, 27. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/128071
• https://support.apple.com/en-us/128072
• https://support.apple.com/en-us/148287
• https://support.apple.com/en-us/149034
• https://support.apple.com/en-us/149035

Get alerted when CVE-2026-84489 or the next vulnerability affects your stack