CVE-2026-28818: Use After Free
802.1X. An authentication issue was addressed with improved state management.
Other sources
A logging issue was addressed with improved data redaction. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to access sensitive user data.
— NVD
Accounts. An authorization issue was addressed with improved state management.
— Apple
Admin Framework. A path handling issue was addressed with improved validation.
— Apple
apache. This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org.
— Apple
AppleKeyStore. A use after free issue was addressed with improved memory management.
— Apple
Credit
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-28865
- CVE-2026-28877
- CVE-2025-55753
- CVE-2025-58098
- CVE-2025-59775
- CVE-2025-65082
- CVE-2025-66200
- CVE-2026-20637
- CVE-2026-28824
- CVE-2026-20699
- CVE-2026-28879
- CVE-2026-28822
- CVE-2026-28894
- CVE-2026-20660
- CVE-2026-28866
- CVE-2026-20639
- CVE-2026-20690
- CVE-2026-28821
- CVE-2026-28838
- CVE-2026-28886
- CVE-2026-28888
- CVE-2025-14524
- CVE-2026-20633
- CVE-2026-28876
- CVE-2026-28892
- CVE-2026-28832
- CVE-2026-20668
- CVE-2026-28834
- CVE-2026-28880
- CVE-2025-64505
- CVE-2026-28868
- CVE-2026-28867
- CVE-2026-20695
- CVE-2026-20687
- CVE-2026-28829
- CVE-2026-20607
- CVE-2026-20692
- CVE-2026-20651
- CVE-2026-20694
- CVE-2026-28891
- CVE-2026-20701
- CVE-2026-28839
- CVE-2026-28827
- CVE-2026-28816
- CVE-2026-28826
- CVE-2026-20693
- CVE-2026-28862
- CVE-2026-28831
- CVE-2026-28817
- CVE-2026-20688
- CVE-2026-28864
- CVE-2026-28860
- CVE-2026-28835
- CVE-2026-28825
- CVE-2026-28818
- CVE-2026-20697
- CVE-2026-28828
- CVE-2026-28852
- CVE-2026-20657
- CVE-2026-28878
- CVE-2026-28823
- CVE-2026-20696
- CVE-2026-20684
- CVE-2026-28910
- CVE-2026-28893
- CVE-2026-28870
- CVE-2026-28881
- CVE-2026-28833
- CVE-2026-28842
- CVE-2026-28841
- CVE-2026-20698
- CVE-2026-28845
- CVE-2026-28882
- CVE-2026-20632
- CVE-2026-20631
- CVE-2026-28840
- CVE-2026-28830
- CVE-2026-28820
- CVE-2026-28837
- CVE-2026-28844
- CVE-2026-20665
- CVE-2026-20643
- CVE-2026-28871
- CVE-2026-20664
- CVE-2026-28857
- CVE-2026-28861
- CVE-2026-28859
- CVE-2026-20691
Frequently Asked Questions
What is the severity of CVE-2026-28818?
CVE-2026-28818 has been classified with high severity due to authentication and data access issues.
How do I fix CVE-2026-28818?
To fix CVE-2026-28818, upgrade to macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, or macOS Tahoe 26.4.
What types of systems are affected by CVE-2026-28818?
CVE-2026-28818 affects various versions of macOS, including Sequoia, Sonoma, and Tahoe.
What vulnerability does CVE-2026-28818 address?
CVE-2026-28818 addresses an authentication issue related to state management and data redaction.
Can an app exploit CVE-2026-28818 to access user data?
Yes, an app may exploit CVE-2026-28818 to gain unauthorized access to sensitive user data.