Medium severity5.5NVD Advisory· Published Jul 27, 2026· Updated Jul 29, 2026

CVE-2026-43816

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./Ipados2 versions
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <26.6
- (no CPE)range: before 26.6
Apple Inc./Iphone OS
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Range: <26.6
Apple Inc./macOS
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Range: >=26.0,<26.6
Apple Inc./tvOS
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
Range: <26.6
Apple Inc./Visionos
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
Range: <26.6
Apple Inc./watchOS
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
Range: <26.6
Apple Inc./iOSllm-fuzzy
Range: before 26.6
Apple Inc./macOS Tahoellm-fuzzy
Range: before 26.6

Patches

Vulnerability mechanics

References

support.apple.com/en-us/128066nvdRelease NotesVendor Advisory
support.apple.com/en-us/128067nvdRelease NotesVendor Advisory
support.apple.com/en-us/128068nvdRelease NotesVendor Advisory
support.apple.com/en-us/128069nvdRelease NotesVendor Advisory
support.apple.com/en-us/128070nvdRelease NotesVendor Advisory

News mentions

Apple Patches Everything (July 2026), (Wed, Jul 29th)
SANS Internet Storm Center · Jul 29, 2026

cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000