VulnerabilityModified
CVE-2026-64739
An out-of-bounds write issue was addressed with improved bounds checking.
HIGH 8.8EPSS 0.52%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An attacker may be able to cause unexpected app termination.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.52% probability · 43th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- apple/ipados · apple/iphone os · apple/macos · apple/tvos · apple/visionos · apple/watchos
- Source
- product-security@apple.com
References
- https://support.apple.com/en-us/128066Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128067Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128068Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128069Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128070Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128071Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128072Release Notes, Vendor Advisory
- https://support.apple.com/en-us/148287
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.