CVE-2026-20691

EUVD-2026-15062
An authorization issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4, watchOS 26.4. A maliciously crafted webpage may be able to fingerprint the user.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CISA-ADPADP
4.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
applesafari
𝑥
< 26.4
appleipados
𝑥
< 26.4
appleiphone_os
𝑥
< 26.4
applemacos
26.0 ≤
𝑥
< 26.4
applevisionos
𝑥
< 26.4
applewatchos
𝑥
< 26.4
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.apple.com/en-us/126792
https://support.apple.com/en-us/126794
https://support.apple.com/en-us/126798
https://support.apple.com/en-us/126799
https://support.apple.com/en-us/126800