Environment Variable Handling Issue in Apple Products
CVE-2026-20627

5.5MEDIUM

Key Information:

Vendor

Apple
Status
Mac OS
Watch OS
Visionos
iOS And iPad OS
Vendor
CVE Published:
11 February 2026

What is CVE-2026-20627?

A vulnerability exists in the way Apple products manage environment variables, potentially allowing unauthorized access to sensitive user data. Improved validation has been implemented to mitigate this issue in the latest versions of iOS, macOS, watchOS, and visionOS, which highlights the importance of keeping software up to date to ensure user data privacy and security.

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Affected Version(s)

iOS and iPadOS < 26.3

macOS < 26.3

macOS < 14.8

References

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

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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