CVE-2026-28859

MEDIUM

Safari < 26.4 - Out-of-bounds Read

Title source: llm
STIX 2.1

Description

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A malicious website may be able to process restricted web content outside the sandbox.

References (20)

Core 20
Core References

Scores

CVSS v3 4.3
EPSS 0.0064
EPSS Percentile 47.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-120 CWE-125 CWE-416 CWE-787
Status published
Products (13)
Apple/iOS and iPadOS < 26.4
apple/ipados < 26.4
apple/iphone_os < 26.4
Apple/macOS < 26.4
apple/macos < 26.4
Apple/Safari < 26.4
apple/safari < 26.4
Apple/tvOS < 26.4
apple/tvos < 26.4
Apple/visionOS < 26.4
... and 3 more
Published Mar 25, 2026
Tracked Since Mar 25, 2026