Buffer overflow in Apple iOS And Ipados
CVE-2026-64705
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.6. An app may be able to cause unexpected system termination or write kernel memory.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.002 (5.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.apple.com/en-us/127116 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/127117 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/128066
- support.apple.com/en-us/128067
Frequently asked questions
- What is CVE-2026-64705?
- CVE-2026-64705 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2026-08-25.
- How severe is CVE-2026-64705?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2026-64705 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.