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CVE-2026-28877

MEDIUM CVSS 3.1: 5.5 EPSS 0.01%
Updated Mar 26, 2026
Apple
Parameter Value
CVSS 5.5 (MEDIUM)
Affected Versions 15.0 — 26.4
Fixed In 26.4
Type CWE-200 (Information Exposure)
Vendor Apple
Public PoC No

An authorization issue was addressed with improved state management. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Tahoe 26.4, visionOS 26.4, watchOS 26.4. An app may be able to access sensitive user data.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 6

Configuration From (including) Up to (excluding)
Apple Ipados
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
26.4
Apple Iphone_Os
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
26.4
Apple Macos
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
15.0 15.7.5
Apple Macos
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
26.0 26.4
Apple Visionos
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
26.4
Apple Watchos
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
26.4