Live › vulnerability › CVE-2026-86905
Apple's iOS 27 and iPadOS 27 security notes list a flaw in Authentication Services that lets an app delete credentials stored in the Keychain. An attacker who gets a malicious app onto the device can remove saved passwords and login data.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-11-04 00:58 UTC, 0h before NVD. All times on this page are UTC.
Devices running iOS 27 or iPadOS 27 earlier than the patched release are exposed to a local app that abuses the Authentication Services flaw. The attacker needs a malicious app installed on the device, and the notes do not describe a remote path. Teams whose devices are all on a patched release can skip it.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| apple ipados | vendor | < 27.0 | 27.0 |
| apple iphone os | vendor | < 27.0 | 27.0 |
| apple macos | vendor | < 27.0 | 27.0 |
| apple visionos | vendor | < 27.0 | 27.0 |
iOS 27 or predates the fix.iPadOS 27iOS 27iPadOS 27Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
About the security content of iOS 27 and iPadOS 27 - Apple Support
This document describes the security content of iOS 27 and iPadOS 27.
For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security releases page.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
Released September 14, 2026
Available for: iPhone 11 and later, iPad Pro 12.9-inch 4th generation and later, iPad Pro 11-inch 2nd generation and later, iPad Air 4th generation and later, iPad 9th generation and later, and iPad mini 6th generation and later
Impact: Processing a maliciously crafted image may lead to unexpected process termination
Description: An out-of-bounds write issue was addressed with improved bounds checking.
CVE-2026-86882: Peter Malone
Available for: iPhone 11 and later, iPad Pro 12.9-inch 4th generation and later, iPad Pro 11-inch 2nd generation and later, iPad Air 4th generation and later, iPad 9th generation and later, and iPad mini 6th generation and later
Impact: Processing a maliciously crafted image may lead to unexpected app termination
Description: An out-of-bounds write issue was addressed with improved bounds checking.
CVE-2026-86918: Arni Hardarson (Neonix Security)
Entry added October 19, 2026
Available for: iPhone 11 and later, iPad Pro 12.9-inch 4th generation and later, iPad Pro 11-inch 2nd generation and later, iPad Air 4th generation and later, iPad 9th generation and later, and iPad mini 6th generation and later
Impact: An app may be able to access sensitive user data
Description: This issue was addressed with improved data protection.
CVE-2026-43664: Stuart Wallace, Ilya Andr (andrd3v), Rosyna Keller of Totally Not Malicious Software, CJ Vana, David Strnadel, Daniel Febrero, Asaf Cohen, Gongyu Ma (@Mezone0), Jian Lee (@speedyfriend433)
Available for: iPhone 11 and later, iPad Pro 12.9-inch 4th generation and later, iPad Pro 11-inch 2nd generation and later, iPad Air 4th generation and later, iPad 9th generation and later, and iPad mini 6th generation and later
Impact: An app may be able to identify what other apps a user has installed
Description: A privacy issue was addressed with improved handling of user preferences.
CVE-2026-64761: Stuart Wallace, Sindre Sorhus
Available for: iPhone 11 and later, iPad Pro 12.9-inch 4th generation and later, iPad Pro 11-inch 2nd generation and later, iPad Air 4th generation and later, iPad 9th generation and later, and iPad mini 6th generation and later
Impact: A malicious application may be able to bypass Privacy preferences
Description: An authorization issue was addressed with improved state management.
CVE-2026-65404: Arni Hardarson (Neonix Security), Vinay Kumar Rasala (Xplo8E) from Appknox, Stuart Wallace, 이재영
Available for: iPhone 11 and later, iPad Pro 12.9-inch 4th generation and later, iPad Pro 11-inch 2nd generation and later, iPad Air 4th generation and later, iPad 9th generation and later, and iPad mini 6th generation and later
Impact: An app may be able to cause unexpected system termination or write kernel memory
Description: An out-of-bounds write issue was addressed with improved bounds checking.
CVE-2026-84523: Cem Onat Karagun, an anonymous researcher
Available for: iPhone 11 and later, iPad Pro 12.9-inch 4th generation and later, iPad Pro 11-inch 2nd generation and later, iPad Air 4th generation and later, iPad 9th generation and later, and iPad mini 6th generation and later
Impact: An app may be able to access sensitive user data
Description: A privacy issue was addressed with improved access restrictions.
CVE-2026-84582: Zhongcheng Li (CK01)
Entry added October 19, 2026
Available for: iPhone 11 and later, iPad Pro 12.9-inch 4th generation and later, iPad Pro 11-inch 2nd generation and later, iPad Air 4th generation and later, iPad 9th generation and later, and iPad mini 6th generation and later
Impact: A local app may be able to read a persistent account identifier
Description: A permissions issue was addressed with additional restrictions.
CVE-2026-86888: Zhongcheng Li (CK01)
Available for: iPhone 11 and later, iPad Pro 12.9-inch 4th generation and later, iPad Pro 11-inch 2nd generation and later, iPad Air 4th generation and later, iPad 9th generation and later, and iPad mini 6th generation and later
Impact: An app may be able to use the Sign In With Apple authentication flow to access the user's Apple Account
Description: An authentication issue was addressed with improved state management.
CVE-2026-20683: Dem0ns (@天府简易信工作室), Abdelhak Kherroubi, Jasminder Pal Singh, Lehan Dilusha Jayasingha (Sri Lanka)
Available for: iPhone 15 Pro and later, iPad Pro 12.9-inch 5th generation and later, iPad Pro 11-inch 2nd generation and later, iPad Air 5th generation and later, and iPad mini 7th generation
Impact: An app may be able to access sensitive user data
Description: An authorization issue was addressed with improved state management.
CVE-2026-86920: Johan Wahyudi
CVE-2026-86955: Abodi Dawoud
Entry added October 19, 2026, updated October 26, 2026
Available for: iPhone 11 and later, iPad Pro 12.9-inch 4th generation and later, iPad Pro 11-inch 2nd generation and later, iPad Air 4th generation and later, iPad 9th generation and later, and iPad mini 6th generation and later
Impact: An app may be able to cause unexpected system termination
Description: An integer overflow was addressed with improved input validation.
CVE-2026-65408: tamdao
Available for: iPhone 11 and later, iPad Pro 12.9-inch 4th generation and later, iPad Pro 11-inch 2nd generation and later, iPad Air 4th generation and later, iPad 9th generation and later, and iPad mini 6th generation and later
Impact: An app may be able to cause unexpected system termination or write kernel memory
Description: A race condition was addressed with additional validation.
CVE-2026-84634: S. Rosario
Entry added October 26, 2026
Available for: iPhone 11 and later, iPad Pro 12.9-inch 4th generation and later, iPad Pro 11-inch 2nd generation and later, iPad Air 4th generation and later, iPad 9th generation and later, and iPad mini 6th generation and later
Impact: An app may be able to cause unexpected system termination
Description: An out-of-bounds write issue was addressed with improved bounds checking.
CVE-2026-84595: tamdao
Entry added October 26, 2026
Available for: iPhone 11 and later, iPad Pro 12.9-inch 4th generation and later, iPad Pro 11-inch 2nd generation and later, iPad Air 4th generation and later, iPad 9th generation and later, and iPad mini 6th generation and later
Impact: An app may be able to cause unexpected system termination
Description: A use after free issue was addressed with improved memory management.
CVE-2026-65407: Franco Belman at Blackwing Intelligence
Available for: iPhone 11 and later, iPad Pro 12.9-inch 4th generation and later, iPad Pro 11-inch 2nd generation and later, iPad Air 4th generation and later, iPad 9th generation and later, and iPad mini 6th generation and later
Impact: Mounting a disk image with maliciously crafted files may lead to unexpected system termination
Description: An out-of-bounds write issue was addressed with improved bounds checking.
CVE-2026-84519: Richard Zana
Available for: iPhone 11 and later, iPad Pro 12.9-inch 4th generation and later, iPad Pro 11-inch
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