CVE-2026-20676

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Summary

CVECVE-2026-20676
StatePUBLISHED
Assignerapple
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-02-11 23:16:09 UTC
Updated2026-04-02 19:21:21 UTC
DescriptionThis issue was addressed through improved state management. This issue is fixed in Safari 26.3, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. A website may be able to track users through Safari web extensions.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.000360000 probability, percentile 0.106830000 (date 2026-04-02)

Problem Types: NVD-CWE-noinfo | CWE-400 | A website may be able to track users through Safari web extensions | CWE-400 CWE-400 Uncontrolled Resource Consumption

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.1ADPDECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Apple Ipados All All All All
Operating System Apple Iphone Os All All All All
Operating System Apple Macos All All All All
Application Apple Safari All All All All
Operating System Apple Visionos All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apple Safari affected 26.3 custom Not specified
CNA Apple IOS And IPadOS affected 26.3 custom Not specified
CNA Apple MacOS affected 26.3 custom Not specified
CNA Apple VisionOS affected 26.3 custom Not specified

References

ReferenceSourceLinkTags
support.apple.com/en-us/126354 [email protected] support.apple.com Release Notes, Vendor Advisory
support.apple.com/en-us/126346 [email protected] support.apple.com Release Notes, Vendor Advisory
support.apple.com/en-us/126348 [email protected] support.apple.com Release Notes, Vendor Advisory
support.apple.com/en-us/126353 [email protected] support.apple.com Release Notes, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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