CVE-2026-20627

medium

Description

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

References

https://support.apple.com/en-us/126353

https://support.apple.com/en-us/126352

https://support.apple.com/en-us/126350

https://support.apple.com/en-us/126348

https://support.apple.com/en-us/126346

Details

Source: Mitre, NVD

Published: 2026-02-11

Updated: 2026-02-12

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.5

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

Severity: Medium

EPSS

EPSS: 0.00018