Out-of-bounds Read in Apple Ios And Ipados
CVE-2026-43703
The issue was addressed with improved memory handling. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected process crash.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (33.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Apple Ios And Ipados — versions 0
- Apple Ipados
- Apple Iphone_os
- Apple Macos — versions 0
- Apple Tvos — versions 0
- Apple Visionos — versions 0
- Apple Watchos — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-43703?
- CVE-2026-43703 is a medium-severity vulnerability in Apple Ios And Ipados, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2026-06-29.
- How severe is CVE-2026-43703?
- Medium severity. CVSS v3 base score is 6.5 out of 10.