CVE-2026-20656

Severity: low (CVSS 3.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-11 · updated 2026-06-17
Weakness: CWE-285

Description

A logic issue was addressed with improved validation. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, macOS Tahoe 26.3. An app may be able to access a user's Safari history.

Affected products

Apple iPadOS: before 18.7.5 — fixed in 18.7.5
Apple Iphone Os: before 18.7.5 — fixed in 18.7.5
Apple macOS: before 26.3 — fixed in 26.3
Apple Safari: before 26.3 — fixed in 26.3

How to fix

Upgrade to a fixed version: Apple iPadOS 18.7.5; Apple Iphone Os 18.7.5; Apple macOS 26.3; Apple Safari 26.3. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/126347
https://support.apple.com/en-us/126348
https://support.apple.com/en-us/126354

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