CVE-2026-64747
A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS...
- Published
- Jul 27, 2026
- Updated
- Aug 17, 2026
- Assigning CNA
- apple
- Evidence observed
- Aug 17, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 15.6%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
A buffer overflow was addressed with improved size validation. 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 app may be able to execute arbitrary code with kernel privileges.
Sources
2Root-cause analysis and reachability PoC for CVE-2026-64747, a buffer overflow in the AppleAVE2 kernel extension. Includes reversed IOKit wire protocol, overflow math, and a userspace PoC driving the configure path.
- ave263-chainResearch
iPad 8 iPadOS 26.3 AVE toolchain research (CVE-2026-64747 class)
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