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CVE PROGRAM SOURCE RECORD5.5 Medium

CVE-2026-20627

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 Sequoia 15.7.4,

Description

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 Sequoia 15.7.4, 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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Apple iOS and iPadOS

  • 0 to < 26.3affected

Apple macOS

  • 0 to < 14.8.4affected
  • 0 to < 15.7.4affected
  • 0 to < 26.3affected

Apple visionOS

  • 0 to < 26.3affected

Apple watchOS

  • 0 to < 26.3affected

References