CVE-2026-86890: Use After Free

Published Sep 14, 2026
·
Updated

A logic issue was addressed with improved checks. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27. An attacker with physical access to a locked device may be able to view sensitive user information.

Other sources

Accelerate Framework. An out-of-bounds write issue was addressed with improved bounds checking.

— Apple

Accessibility. A privacy issue was addressed with improved handling of user preferences.

— Apple

Accessibility. This issue was addressed with improved data protection.

— Apple

Accounts. An authorization issue was addressed with improved state management.

— Apple

APFS. An out-of-bounds write issue was addressed with improved bounds checking.

— Apple

Credit

Cem Onat Karagun, an anonymous researcher, Zhongcheng Li (CK01), Dem0ns (@天府简易信工作室), Abdelhak Kherroubi, Jasminder Pal Singh, Lehan Dilusha Jayasingha (Sri Lanka), tamdao, Franco Belman at Blackwing Intelligence, Richard Zana, Meta Red Team X - Nik Tsytsarkin, Alexandre Borges, Ilya Andr (andrd3v), Zhongcheng Li(IES Red Team), Calif.io in collaboration with Claude, Anthropic Research, Peter Malone, Ruslan Dautov, Ye Zhang@@VAR10CK(Baidu Security), Tuan D. Hoang, Hazem Issa, Yongdae Kim @ KAIST SysSec Lab, Yongdae Kim @ SysSec, KAIST, CVE-2026-65414, Sindre Sorhus(Positive Technologies), Ilya Andr (andrd3v)(Positive Technologies), Asaf Cohen, Stanislav Jelezoglo, Heiner Gerdes, Rishabh Jain (rjcyber)(cyberplanet), Pasquale Scola, Nik Tsytsarkin, Chris Bailey - Short Circuit, Siyeong kim, AL Najafi, Stuart Wallace, Pavan Nallamothu, ret2happy, Meta Product Security, Mustafa Calap@@ordinal0, dbg.re), stratan@@5tratan, Rahul Raj, N.M.Praveen Nawarathne@@zblockrat, James Gill @infosec.exchange)@@jjtech, Tommy DeVoss@@thedawgyg(Braze Security Team), flower xu, Adriatik Raci, PETOWORKS의 Bugeun Choi@@Bugeun, Daisuke Hatakeyama, Ryohei Ueki Research)@@SYZD, Hyunwoo Kim@@v4bel, Junyeong Lee (jylab.github.io), Merrick Hare, Aditya Kumar, John Nzyuko Uvyu, Narendra Singh@@_3P1C, Geoffrey Lovelace, Bruce Dang(Calif), Jiyong Yang, Vishal Patidar, Roman Zabicki, Luke Symons, Justin O'Leary, Mateusz Jurczyk(Google Project Zero), Varik Matevosyan, Mihalis Haatainen, Ashish Kunwar, Ari Hawking, 이재영, David Strnadel, Seiji Sakurai@@HeapSmasher, Csaba Fitzl@@theevilbit(Iru), genter0(Calif), Svetoslav Stolarov & Aisa Fox(Calif), Josh Maine(Calif), Dun, Bernhard Jackiewicz, Billy Jheng Bing Jhong(STAR Labs SG Pte), Pan Zhenpeng@@Peterpan0927(STAR Labs SG Pte), Ryan Hileman via Xint Code (xint.io), Bhaswanth Chigurupati, Tristan Madani@@TristanInSec(Talence Security), Hiroki Imai (LAC Co., Ltd.), Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), R4mbb(KRsecurity), Vladislav Shevchenko (Positive Technologies), Fábio Luís@@scanpt(STAR Labs SG Pte), Richard Zana(STAR Labs SG Pte), Kitten Food, Sindre Sorhus, Morris Richman@@morrisinlife, Tristan Brennan, Myeonghun Pak, Nathaniel Oh@@calysteon, Alan Banderas@@creeper4004, Matthew Zamat, Rodolphe Brunetti@@eisw0lf(Lupus Nova), Drin Raci(sentry), Yiğit Can YILMAZ@@yilmazcanyigit, Claudio Bozzato(Cisco Talos), Francesco Benvenuto(Cisco Talos), Sindre Sorhus(IES Red Team), Hoffcona(IES Red Team), Hongsik Kim (mnur), Bálint Magyar (balintmagyar.com), Issa Sancho, CJ Vana, Gongyu Ma@@Mezone0, Dhiyanesh Selvaraj@@redroot97, Surya Narayan Kushwaha, John Lussier, Filip Olszak, Meshaal@@unrealmesh, Owen Pawling@@owenpawling, Gongyu Ma (twitter@@Mezone0, Abhay Kailasia@@abhay_kailasia(Safran Mumbai India), YingMuo@@YingMuo(DEVCORE Research Team), Abodi Dawoud, Armend Gashi, Ujjwal Reddy Kalvolu Sreenivasa Reddy, Johan Wahyudi, Lehan Dilusha Jayasingha, Jérôme Djouder, Seung Je Seong(Positive Technologies), Jakob Pammer, Constantin Clerc(Calif), Shad J(Calif), huami1314@@huamidev(Calif), Huy Nguyen@@34306(Calif), Zeyang Li&Yuxiang Wang(Chongqing Telecom), Bedran Karakoc(Ruhr University Bochum), Tobias Funke(Ruhr University Bochum), Jacopo Clark(Ruhr University Bochum), Katharina Kohls(Ruhr University Bochum), Souta Sugiyama, Viggo Lekdorf, Tomi Garcia (archyxsec), Niels Hofmans, OGINOME Tomohito, Yusuf Kelany, Jian Lee@@speedyfriend433, Stuart Wallace(Totally Not Malicious Software), Ilya Andr (andrd3v)(Totally Not Malicious Software), Rosyna Keller(Totally Not Malicious Software), Daniel Febrero, Arni Hardarson (Neonix Security)(Appknox), Vinay Kumar Rasala (Xplo8E)(Appknox), 진규정 (Gyujeong Jin, @@G1uN4sh, Gandalf4a(PKU), Anton Pakhunov, Meta Red Team X, Geonha Lee@@leegn4a, Lyutoon, genter0, 이재영(Positive Technologies), Jakob Pammer(Positive Technologies), huami1314@@huamidev, Milad Nasr, Nicholas Carlini with Claude, Anthropic

Affected Software

6 affected componentsFixes available
Apple iOS<27
27
Apple iPadOS<27
27
Apple iOS<26.7
26.7
Apple iPadOS<26.7
26.7
Apple iPadOS<26.7
Apple iPhone OS<26.7

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 27
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 26.7
  3. Remove

    Remove the affected component from your environment.

    Remove the vulnerable code (described as “This issue was addressed by removing the vulnerable code.” / “This issue was addressed with improved memory corruption by removing the vulnerable code.”).

Event History

Sep 14, 2026
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Affected Software
CVE Published
via MITRE·08:48 PM
Data Sourced
via MITRE·08:48 PM
DescriptionWeakness
Data Sourced
via NVD·09:17 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Does exploitation require credentials or user interaction?

The CVSS vector indicates no privileges and no user interaction are required. The attacker must have physical access to a locked device.

2

Which releases include the fix?

The issue is fixed in iOS 26.7, iPadOS 26.7, iOS 27, and iPadOS 27.

Company

Resources

Contact

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