by Kastro
Paper/Archive/CVE-2026-64771

CVE-2026-64771

Apple iOS and iPadOS — A buffer overflow was addressed with improved bounds checking.

EPSS 0.8%CVSS 9.8
critical.is priorityof 100
41
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 58.1.581 × 2011.6No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A buffer overflow 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 Tahoe 26.6, tvOS 26.6, visionOS 26.6. A remote attacker may be able to cause unexpected application termination or heap corruption.

Affected

ProductAffectedFixed inSource
iOS and iPadOS< 18.7.1018.7.10CNA
iOS and iPadOS< 26.626.6CNA
macOS< 15.7.815.7.8CNA
macOS< 26.626.6CNA
tvOS< 26.626.6CNA
visionOS< 26.626.6CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refsupport.apple.com/en-us/128066refsupport.apple.com/en-us/128067refsupport.apple.com/en-us/128069refsupport.apple.com/en-us/128070refsupport.apple.com/en-us/128071refsupport.apple.com/en-us/148287