CVE-2026-20676

EUVD-2026-6230
This issue was addressed through improved state management. This issue is fixed in iOS 26.3 and iPadOS 26.3, Safari 26.3, macOS Tahoe 26.3, visionOS 26.3. A website may be able to track users through Safari web extensions.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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: 9%
Affected Products (NVD)
VendorProductVersion
applesafari
𝑥
< 26.3
appleipados
𝑥
< 26.3
appleiphone_os
𝑥
< 26.3
applemacos
𝑥
< 26.3
applevisionos
𝑥
< 26.3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.apple.com/en-us/126346
https://support.apple.com/en-us/126348
https://support.apple.com/en-us/126353
https://support.apple.com/en-us/126354