CVE-2026-28856

Severity: medium (CVSS 4.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-25 · updated 2026-06-17
Weakness: CWE-284

Description

The issue was addressed with improved authentication. This issue is fixed in iOS 26.4 and iPadOS 26.4, visionOS 26.4, watchOS 26.4. An attacker with physical access to a locked device may be able to view sensitive user information.

Affected products

Apple iPadOS: before 26.4 — fixed in 26.4
Apple Iphone Os: before 26.4 — fixed in 26.4
Apple visionOS: before 26.4 — fixed in 26.4
Apple watchOS: before 26.4 — fixed in 26.4

How to fix

Upgrade to a fixed version: Apple iPadOS 26.4; Apple Iphone Os 26.4; Apple visionOS 26.4; Apple watchOS 26.4. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/126792
https://support.apple.com/en-us/126798
https://support.apple.com/en-us/126799

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