CVE-2026-20651: Use After Free
802.1X. An authentication issue was addressed with improved state management.
Other sources
A privacy issue was addressed with improved handling of temporary files. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An app may be able to access sensitive user data.
— MITRE
Accounts. An authorization issue was addressed with improved state management.
— Apple
Admin Framework. A parsing issue in the handling of directory paths was addressed with improved path 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
AppleEvents. An authorization issue was addressed with improved state management.
— Apple
Credit
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-20670
- CVE-2026-20624
- CVE-2026-20625
- CVE-2026-20660
- CVE-2025-43403
- CVE-2026-20611
- CVE-2026-20609
- CVE-2026-20617
- CVE-2026-20615
- CVE-2025-46283
- CVE-2026-20627
- CVE-2025-43417
- CVE-2026-20620
- CVE-2025-43338
- CVE-2026-20634
- CVE-2026-20675
- CVE-2026-20671
- CVE-2025-59375
- CVE-2026-20667
- CVE-2026-20673
- CVE-2026-20677
- CVE-2026-20651
- CVE-2026-20694
- CVE-2026-20616
- CVE-2025-43533
- CVE-2025-46300
- CVE-2025-46301
- CVE-2025-46302
- CVE-2025-46303
- CVE-2025-46304
- CVE-2025-46305
- CVE-2025-46310
- CVE-2026-20614
- CVE-2026-20628
- CVE-2025-46290
- CVE-2026-20653
- CVE-2026-20680
- CVE-2026-20612
- CVE-2026-20641
- CVE-2026-20606
- CVE-2026-20605
- CVE-2026-20621
- CVE-2025-43402
- CVE-2026-20602
- CVE-2026-20669
- CVE-2026-20637
- CVE-2026-20650
- CVE-2026-20639
- CVE-2026-20681
- 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-2026-20654
- CVE-2026-20626
- CVE-2026-20630
- CVE-2026-20603
- CVE-2026-20666
- CVE-2026-20656
- CVE-2026-28855
- CVE-2026-20658
- CVE-2026-20610
- CVE-2026-20622
- CVE-2026-20648
- CVE-2026-20662
- CVE-2026-20647
- CVE-2026-20699
- CVE-2026-20619
- CVE-2026-20618
- CVE-2026-20646
- CVE-2026-20652
- CVE-2026-20608
- CVE-2026-20676
- CVE-2026-20644
- CVE-2026-20636
- CVE-2026-20635
- CVE-2026-28865
- CVE-2026-28877
- CVE-2025-55753
- CVE-2025-58098
- CVE-2025-59775
- CVE-2025-65082
- CVE-2025-66200
- CVE-2026-28824
- CVE-2026-28879
- CVE-2026-28822
- CVE-2026-28894
- CVE-2026-28866
- 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-2026-28834
- 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-2026-28891
- 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
Frequently Asked Questions
What is the severity of CVE-2026-20651?
The severity of CVE-2026-20651 is medium with a CVSS score of 6.2.
How do I fix CVE-2026-20651?
To fix CVE-2026-20651, update to macOS Sequoia 15.7.5, macOS Sonoma 14.8.4, or macOS Tahoe 26.3.
What types of issues does CVE-2026-20651 address?
CVE-2026-20651 addresses authentication issues with improved state management and privacy issues with handling temporary files.
What could be compromised due to CVE-2026-20651?
CVE-2026-20651 may allow an app to access sensitive user data and accounts.
Which software is affected by CVE-2026-20651?
CVE-2026-20651 affects Apple macOS, including versions Sequoia, Sonoma, and Tahoe.