CVE-2026-20627

CVSS 5.5 MEDIUMEPSS 0.1%CWE-20

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.5EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

11 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3, watchOS 26.3. An app may be able to access sensitive user data.

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

Affected products

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

References

https://support.apple.com/en-us/126346 https://support.apple.com/en-us/126348 https://support.apple.com/en-us/126350 https://support.apple.com/en-us/126352 https://support.apple.com/en-us/126353