CVE-2026-86953: Use After Free

Published Sep 14, 2026
·
Updated

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

Other sources

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

Accounts. This issue was addressed with additional entitlement checks.

— Apple

afpfs. This issue was addressed by removing the vulnerable code.

— Apple

Credit

Abodi Dawoud, 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, Beomseok Oh@@KAIST, Yongdae Kim@@KAIST, CVE-2026-65414, an anonymous researcher, jioundai, Sindre Sorhus(Positive Technologies), Ilya Andr (andrd3v)(Positive Technologies), Asaf Cohen, Stanislav Jelezoglo, Heiner Gerdes, Rishabh Jain (rjcyber)(cyberplanet), Pasquale Scola, Mathis Mansière, Nik Tsytsarkin, Chris Bailey - Short Circuit, Siyeong kim, Meta Product Security, AL Najafi, Stuart Wallace, Pavan Nallamothu, ret2happy, 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@@olearysec(olearysec), 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(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), OpenAI, Hüseyin Kabasakal@@HuseyinK01, 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), 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, Abodi Dawoud(van Dijk), Merrick Hare(van Dijk), Roel(van Dijk), Owen Pawling@@owenpawling, Gongyu Ma (twitter@@Mezone0, Jonghoon Han (Aegis)(Shuffle Team), bubu(Shuffle Team), 이재영(Shuffle Team), Tae Woo Kim(Shuffle Team), Dawuge(Shuffle Team), Abhay Kailasia@@abhay_kailasia(Safran Mumbai India), YingMuo@@YingMuo(DEVCORE Research Team), Armend Gashi, Ujjwal Reddy Kalvolu Sreenivasa Reddy, Johan Wahyudi, Lehan Dilusha Jayasingha, Jérôme Djouder, Seung Je Seong(Positive Technologies), Jakob Pammer, Kirin@@Pwnrin, 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), Aaron Schlitt@@aaron_sfn(Hasso Plattner Institute), Cybersecurity - Mobile & Wireless, Jacob Prezant (prezant.us), Souta Sugiyama, Viggo Lekdorf, Tomi Garcia (archyxsec), Kwak Kiyong / kakaogames, Niels Hofmans, OGINOME Tomohito, Yusuf Kelany, Jian Lee@@speedyfriend433, James Young, Aswin Kumar Gokulakannan, genter0, Eddy Tsalolikhin, James Duffy@@0x4A616D657344, Abhijeet Singh (www.linkedin.com/in/abhiunix/), Omar Cerrito, Stuart Thomas, Mohamed Wedatalla, Arjanit Isufi, Adrián Díaz Aguilar, HvxyZLF, Shuiliang Xie, Dave G., Dave G.(supernetworks), Alex Radocea(supernetworks), Dmytro Merkulov, silo, Kenneth Chew, Dora Orak, Arbuckle@@Ethan, @@leptos_null, Kieran Klukas (taciturnaxolotl), Liu Xue & 九宫格(Chongqing Telecom), @@08Tc3wBB(Jamf), Alfredo Pesoli via Bynario Atlas (bynar.io)@@__rev, Jaeho Nam(SNU CSE MMLAB), Jungbum Lee(SNU CSE MMLAB), Sangwi Kang(SNU CSE MMLAB), Hyeonguk Ko(SNU CSE MMLAB), Taekyoung Kwon(SNU CSE MMLAB), Ricardo Prado, Jakob Pammer(Calif), 재영 정(Calif), Feng Xue(ThreatBook), XGPT(ThreatBook), 재영 정(ThreatBook), Jay Patel, 재영 정, Cem Onat Karagun, Rodolphe BRUNETTI@@eisw0lf(Lupus Nova), 糖豆爸爸(@晴天组织), Robert Mindo, Paul Montgomery@@nullevent, Meridian Miftari, Amy (amys.website), Aaron Grattafiori - NVIDIA AI Red Team, Zhongquan Li@@Guluisacat, Koh M. Nakagawa@@tsunek0h(FFRI Security Inc), deepsec@@DarkNavyOrg(DARKNAVY), Mickey Jin@@patch1t(Iru), Rohit Chatterjee(Iru), Zhongquan Li@@Guluisacat(Iru), Lance Cain - Senior Consultant at SpecterOps Inc.(Iru), an anonymous researcher(Iru), Rodolphe Brunetti@@eisw0lf(Iru), Ryan Dowd@@_rdowd(Iru), Isaiah Ryan Ehlert (isaiahehlert.com)@@icloud(Iru), Charlie Weiss, Noah Gregory (wts.dev), Joshua Jewett@@JoshJewett33, Tomi (tk0) Koski@@tomikoski, Hari Shanmugam (The Hxr1), Kraken Cryptocurrency Exchange, HE WEI（ギカク）(Calif), Joseph Semaan(Calif), bubu(Calif), Omar Cerrito(Calif), HE WEI (ギカク)(Calif), Roman Zabicki(Calif), Richard Zana(Calif), Chris Bailey - Short Circuit(Calif), Aswin Kumar Gokulakannan(Calif), Surya Narayan Kushwaha(Calif), Mickey Jin@@patch1t, Arni Hardarson (Neonix Security), Stuart Wallace(Totally Not Malicious Software), Ilya Andr (andrd3v)(Totally Not Malicious Software), Rosyna Keller(Totally Not Malicious Software), Daniel Febrero, Zhongcheng Li (CK01), Prashan Samarathunge, Duc Anh Nguyen & Ta Duc Thien, Geonha Lee@@leegn4a, Chanwit Muenprakoddee (ChemIndy), f00l@@PPPF00L, 3ndy1@@_3ndy1, Minghao Lin@@Y1nkoc, 云散花折, hxr1, Drinor Selmanaj (Sentry), Ashish Kunwar(Positive Technologies), Mikhail Lozhnikov(Positive Technologies), Henock Habte, Hossein Lotfi@@hosselot(TrendAI Zero Day Initiative), 杉山 壮太, Shubham Chaskar, Dung Do@@_piers2(Calif), Junhyuk Im(S2W Inc), Seungyun Lee(S2W Inc), Mohit Negi, Myungyong Lee, Kwak Kiyong@@Pwnkai23, Song Nuri, Efstratios Kaplanellis@@5tratan(Almamater Technologies), He Wei (ギカク), Johann Rehberger, Musaab Khan@@bxff(Tencent Xuanwu Lab), XlabAI Team(Tencent Xuanwu Lab), Atuin Automated Vulnerability Discovery Engine, Guannan Wang, Zhanpeng Liu, Jiashuo Liang, Guancheng Li, Iain Harkiss, Wang Yu, CVE-2019-5598, Piotr Jerzy Duszynski(MurphySec), f0r(MurphySec), ธนกฤต ทัฬหะ, Gergely Kalman@@gergely_kalman, Jagannath Mohanty, Mohamad Dawoud, Manish Bhatt, Amazon Leo Security, oxsignal, ngockhanh(Cystack), Yurii Bakurov, Ron Masas(BreakPoint), Andrey Chernykh, Anand (anandsreekumar.com), Redon Gashi(Sentry), Alfredo Pesoli@@__rev(Bynar), Jonathan Bar Or@@yo_yo_yo_jbo, Arni Hardarson (Neonix Security)(Talence Security), 정우 하, Meta Red Team X, Mustafa Ahmed, Tristan Madani (Talence Security), Prathamesh Walunj(Iru), Ahmad Al Harrizuan Izadin, Anon Tuttu Venus, Stefan Esser (Calif), Pranav Gopalkrishnan, Alan Wang, Ailsa Sun, Hovav Shacham, Riccardo Paccagnella, Chris Fletcher, David Kohlbrenner, Abodi Dawoud(Best Buddy Apps), Guilherme Rambo(Best Buddy Apps), Rohit Chatterjee, Lance Cain - Senior Consultant at SpecterOps Inc., Dem0ns (@天府简易信工作室), Abdelhak Kherroubi, Jasminder Pal Singh, Lehan Dilusha Jayasingha (Sri Lanka), S. Rosario, Jihwan Yoon, OSORI, Janggoon Lee(Out of Bounds), OpenAI Codex Security - Amy Burnett, wwwlk, Charles Kern, Seonwook Kim, lattice, Josef Korbel, Thomas Guillem, Josef Korbel (Citadelo), Kun Peeks@@SwayZGl1tZyyy, Arni Hardarson (Neonix Security)(Appknox), Vinay Kumar Rasala (Xplo8E)(Appknox), Ryohei Ueki Research)@@SYZD, LiangWei, Nick Cook, Sentry Flag, D4rthL, Ahmed Alwardani, Mohamad Dawoud / Abodi Dawoud, Mr.Gedik@@h4ck2s3c, Mr.Gedik@@h4ck2s3c(Turkish Technology), Oren Yomtov, Marc Newlin(SkySafe), Murray Mike(Nosebeard Labs), zenith, Sanny Mitra(Cystack), Sihyun Roh (Compsec(Cystack), SNU)(Cystack), Ataberk Yavuzer, 정우 하@@0xfa11babe, Surej Sekhar, Suresh Sundaram, Ryan Hughes, Kujtim Kryeziu (Sentry), Yongyue WANG AKA Brian.W(OKX security), Юлия Мерцалова, Joseph Shamoon, Meshaal @ Darkcov, 章鱼哥 (aipyaipy.com）@@aipy, 章鱼哥 （aipyaipy.com）@@aipy, instantraaamen (github.com/instantraaamen) Contact: masa.shiramizu.com@@gmail, 章鱼哥 (aipyaipy.com)@@aipy, Jurre van Bergen - Threatnotify, Redon Gashi (Sentry), Thiago Mayllart, Alfredo Pesoli via Bynario Atlas (bynar.io)@@__rev

Affected Software

18 affected componentsFixes available
Apple iOS<27
Apple iPadOS<27
Apple macOS Golden Gate<27
Apple tvOS<27
Apple visionOS<27
Apple WatchOS<27
Apple iOS<27
27
Apple iPadOS<27
27
Apple macOS Golden Gate<27
27
Apple WatchOS<27
27
Apple tvOS<27
27
Apple visionOS<27
27
Apple iPadOS<27.0
Apple iPhone OS<27.0
Apple macOS<27.0
Apple tvOS<27.0
Apple visionOS<27.0
Apple WatchOS<27.0

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 iOS, iPadOS, macOS Golden Gate, tvOS, visionOS, watchOS to a version that resolves this vulnerability.

    Fixed in 27

Event History

Sep 14, 2026
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Oct 20, 2026
CVE Published
via MITRE·12:50 AM
Data Sourced
via MITRE·12:50 AM
DescriptionWeakness
Data Sourced
via NVD·01:17 AM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Who is realistically exposed to this issue?

Devices running affected Apple operating systems are exposed when an attacker can get into physical proximity. The reported impact is denial of service.

2

What does an attacker need to exploit it?

The attacker must be in physical proximity to the target device. No further exploitation prerequisites are provided.

3

Which releases contain the fix?

The issue is fixed in iOS 27, iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, and watchOS 27.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203