VulnerabilityUndergoing Analysis
CVE-2026-39868
An app may be able to cause unexpected system termination or corrupt kernel memory.
CRITICAL 9.1EPSS 1.21%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
This issue was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination or corrupt kernel memory.
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- EPSS
- 1.21% probability · 67th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- apple/ipados · apple/iphone os · apple/macos
- Source
- product-security@apple.com
References
- https://support.apple.com/en-us/127594Vendor Advisory
- https://support.apple.com/en-us/127595Vendor Advisory
- https://support.apple.com/en-us/128068
- https://support.apple.com/en-us/128069
- https://support.apple.com/en-us/128070
- https://support.apple.com/en-us/128071
- https://support.apple.com/en-us/128072
- https://support.apple.com/en-us/148287
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.