CVE-2026-20617: Use After Free
A race condition was addressed with improved state handling. 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, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to gain root privileges.
Other sources
Accessibility. A privacy issue was addressed by removing sensitive data.
— Apple
Accessibility. An inconsistent user interface 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
App Intents. A logic issue was addressed with improved restrictions.
— Apple
AppleEvents. An authorization issue was addressed with improved state management.
— Apple
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 26.3 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 15.7.4 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 14.8.4 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in iOS 26.3 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in iPadOS 26.3 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in macOS Sequoia 15.7.4 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in macOS Sonoma 14.8.4 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in macOS Tahoe 26.3 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in tvOS 26.3 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in visionOS 26.3 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in watchOS 26.3
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-20637
- CVE-2026-20650
- CVE-2026-20611
- CVE-2026-20609
- CVE-2026-20617
- CVE-2026-20627
- CVE-2025-14174
- CVE-2025-43529
- CVE-2026-20700
- CVE-2026-20649
- CVE-2026-20675
- CVE-2026-20634
- CVE-2026-20654
- CVE-2026-20671
- CVE-2025-59375
- CVE-2026-20667
- CVE-2026-20628
- CVE-2026-20641
- CVE-2026-20635
- CVE-2026-20645
- CVE-2026-20674
- CVE-2026-20638
- CVE-2026-20660
- CVE-2026-20686
- CVE-2026-20615
- CVE-2026-20668
- CVE-2026-20626
- CVE-2026-20663
- CVE-2026-20655
- CVE-2026-20677
- CVE-2026-20694
- CVE-2026-20642
- CVE-2026-20678
- CVE-2026-28855
- CVE-2026-20682
- CVE-2026-20653
- CVE-2026-20680
- CVE-2026-20606
- CVE-2026-20640
- CVE-2026-20661
- CVE-2026-20652
- CVE-2026-20608
- CVE-2026-20676
- CVE-2026-20644
- CVE-2026-20636
- CVE-2026-20621
- CVE-2026-20625
- CVE-2026-20616
- CVE-2026-28995
- CVE-2026-20670
- CVE-2026-20624
- CVE-2025-43403
- CVE-2025-46283
- CVE-2025-46281
- CVE-2025-43417
- CVE-2026-20623
- CVE-2026-20620
- CVE-2026-20630
- CVE-2025-46291
- CVE-2026-20673
- CVE-2026-20696
- 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-2025-46290
- CVE-2026-20622
- CVE-2025-43473
- CVE-2026-20662
- CVE-2026-20612
- CVE-2026-20619
- CVE-2026-20605
- CVE-2025-43402
- CVE-2026-20602
- CVE-2026-20669
- CVE-2026-20639
- CVE-2026-20681
- CVE-2026-20629
- CVE-2026-20601
- CVE-2026-20672
- CVE-2026-20651
- CVE-2026-20603
- CVE-2026-20666
- CVE-2026-20656
- CVE-2026-20658
- CVE-2026-20610
- CVE-2026-20648
- CVE-2026-20647
- CVE-2026-20699
- CVE-2026-20618
- CVE-2026-20646
- CVE-2025-43338
Frequently Asked Questions
What is the severity of CVE-2026-20617?
CVE-2026-20617 is classified as a high severity vulnerability due to its potential to allow apps to gain root privileges.
How do I fix CVE-2026-20617?
To fix CVE-2026-20617, update your device to the latest version, which is 26.3 for various Apple platforms.
Which devices are affected by CVE-2026-20617?
CVE-2026-20617 affects devices running visionOS, iOS, iPadOS, macOS Tahoe, tvOS, watchOS, and macOS Sonoma prior to their respective remedied versions.
What does CVE-2026-20617 exploit?
CVE-2026-20617 exploits a race condition that allows unauthorized privilege escalation.
Is CVE-2026-20617 related to privacy issues?
Yes, CVE-2026-20617 was linked to a privacy issue where sensitive data handling could be compromised.