Buffer overflow in Apple iOS And Ipados
CVE-2026-43702
The issue was addressed with improved memory handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, iOS 26.7 and iPadOS 26.7, macOS Sequoia 15.8, macOS Tahoe 26.6, macOS Tahoe 26.7, tvOS 26.6, watchOS 26.6. Processing a maliciously crafted video file may lead to unexpected app termination or corrupt process memory.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (3.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.001 · change: -0.000
Affected products
Weakness classification (CWE)
References
- support.apple.com/en-us/128066 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/128067 (Vendor Advisory)
- support.apple.com/en-us/128068 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/128069 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/149041 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/149042 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/149043 (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-43702?
- CVE-2026-43702 is a high-severity vulnerability in Apple iOS And Ipados, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2026-09-14.
- How severe is CVE-2026-43702?
- High severity. CVSS v3 base score is 7.8 out of 10.