Out-of-bounds Read in Apple Ios And Ipados
CVE-2026-43655
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. An app may be able to cause unexpected system termination or read kernel memory.
Vulnerability class: Buffer Overflow
EPSS: 0.001 (17.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Apple Ios And Ipados — versions 0
- Apple Ipados
- Apple Iphone_os
- Apple Macos — versions 0
- Apple Tvos — versions 0
- Apple Watchos — versions 0
Weakness classification (CWE)
References
- product-security@apple.com (Release Notes, Vendor Advisory)
- product-security@apple.com (Release Notes, Vendor Advisory)
- product-security@apple.com (Release Notes, Vendor Advisory)
- product-security@apple.com (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-43655?
- CVE-2026-43655 is a high-severity vulnerability in Apple Ios And Ipados, classified under Out-of-bounds Read. CVSS score: 7.3/10. Published 2026-05-11.
- How severe is CVE-2026-43655?
- High severity. CVSS v3 base score is 7.3 out of 10.