CVE-2026-20618: Input Validation
Admin Framework. A parsing issue in the handling of directory paths was addressed with improved path validation.
Other sources
An issue was addressed with improved handling of temporary files. This issue is fixed in macOS Tahoe 26.3. An app may be able to access user-sensitive data.
— NVD
AppleEvents. An authorization issue was addressed with improved state management.
— Apple
AppleKeyStore. A use after free issue was addressed with improved memory management.
— Apple
AppleMobileFileIntegrity. A parsing issue in the handling of directory paths was addressed with improved path validation.
— Apple
AppleMobileFileIntegrity. An injection issue was addressed with improved validation.
— Apple
Credit
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-20669
- CVE-2026-20670
- CVE-2026-20637
- CVE-2026-20625
- CVE-2026-20624
- CVE-2026-20650
- CVE-2026-20660
- CVE-2026-20639
- CVE-2026-20681
- CVE-2026-20611
- CVE-2026-20609
- CVE-2026-20617
- CVE-2026-20615
- CVE-2026-20627
- CVE-2025-14174
- CVE-2025-43529
- CVE-2026-20700
- CVE-2026-20668
- CVE-2026-20629
- CVE-2026-20601
- CVE-2026-20623
- CVE-2026-20649
- CVE-2026-20620
- CVE-2026-20675
- CVE-2026-20634
- CVE-2026-20654
- CVE-2026-20626
- CVE-2026-20671
- CVE-2026-20630
- CVE-2025-59375
- CVE-2026-20667
- CVE-2026-20673
- CVE-2026-20677
- CVE-2026-20651
- CVE-2026-20694
- CVE-2026-20616
- CVE-2026-20603
- CVE-2026-20666
- CVE-2026-20614
- CVE-2026-20656
- CVE-2026-20628
- CVE-2026-28855
- CVE-2026-20658
- CVE-2026-20610
- CVE-2026-20653
- CVE-2026-20622
- CVE-2026-20648
- CVE-2026-20662
- CVE-2026-20647
- CVE-2026-20680
- CVE-2026-20612
- CVE-2026-20699
- CVE-2026-20641
- CVE-2026-20619
- CVE-2026-20618
- CVE-2026-20606
- CVE-2026-20605
- CVE-2026-20646
- CVE-2026-20652
- CVE-2026-20608
- CVE-2026-20676
- CVE-2026-20644
- CVE-2026-20636
- CVE-2026-20635
- CVE-2026-20621
- CVE-2026-20602
Frequently Asked Questions
What is the severity of CVE-2026-20618?
The severity of CVE-2026-20618 is rated as medium with a CVSS score of 5.5.
What does CVE-2026-20618 affect?
CVE-2026-20618 affects Apple macOS Tahoe and may allow an app to access user-sensitive data.
How do I fix CVE-2026-20618?
To fix CVE-2026-20618, update to macOS Tahoe version 26.3 or later.
What issue does CVE-2026-20618 address?
CVE-2026-20618 addresses a parsing issue with path validation and improved handling of temporary files.
What types of vulnerabilities are associated with CVE-2026-20618?
CVE-2026-20618 is associated with input validation, integer overflow, race condition, and use after free vulnerabilities.