CVE-2026-20691

CVSS 4.3 MEDIUMEPSS 0.3%CWE-497

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.3EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

25 Mar 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Apple · iOS and iPadOS Apple · macOS Apple · Safari Apple · visionOS Apple · watchOS

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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