CVE-2026-86915: Race Condition

Published Sep 14, 2026
·
Updated

A race condition was addressed with improved locking. This issue is fixed in macOS Golden Gate 27. An app may be able to cause unexpected system termination.

Other sources

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

— 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

Daisuke Hatakeyama, Ryohei Ueki Research)@@SYZD, Hyunwoo Kim@@v4bel, Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), Adriatik Raci, Manish Bhatt, Amazon Leo Security, Nathaniel Oh@@calysteon, oxsignal, Meta Red Team X - Nik Tsytsarkin, Richard Zana, an anonymous researcher, ngockhanh(Cystack), Junyeong Lee (jylab.github.io), Merrick Hare, Aditya Kumar, John Nzyuko Uvyu, Narendra Singh@@_3P1C, Geoffrey Lovelace, Peter Malone, Nik Tsytsarkin, Yurii Bakurov, Sindre Sorhus, Asaf Cohen, Bruce Dang(Calif), Anthropic Research, Ron Masas(BreakPoint), Luke Symons, Ye Zhang@@VAR10CK(Baidu Security), Andrey Chernykh, Anand (anandsreekumar.com), Tommy DeVoss@@thedawgyg(Braze Security Team), Jiyong Yang, Vishal Patidar, Roman Zabicki, Redon Gashi(Sentry), He Wei (ギカク), Feng Xue(ThreatBook), XGPT(ThreatBook), Alfredo Pesoli@@__rev(Bynar), Jonathan Bar Or@@yo_yo_yo_jbo, Arni Hardarson (Neonix Security)(Talence Security), Tristan Madani@@TristanInSec(Talence Security), 정우 하, Aswin Kumar Gokulakannan, Dun, Ilya Andr (andrd3v), Justin O'Leary@@olearysec(olearysec), Chris Bailey - Short Circuit, Meta Red Team X, Niels Hofmans, Geonha Lee@@leegn4a, Mateusz Jurczyk(Google Project Zero), Eddy Tsalolikhin, Johann Rehberger, Varik Matevosyan, 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, Daniel Febrero, Mihalis Haatainen, Ashish Kunwar, Ari Hawking, 이재영, Mustafa Calap@@ordinal0, dbg.re), David Strnadel, Seiji Sakurai@@HeapSmasher, Franco Belman at Blackwing Intelligence, Csaba Fitzl@@theevilbit(Iru), genter0(Calif), Svetoslav Stolarov(Calif), Josh Maine(Calif), 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, James Young, OpenAI, Hüseyin Kabasakal@@HuseyinK01, Hiroki Imai (LAC Co., Ltd.), Surya Narayan Kushwaha, genter0, James Duffy@@0x4A616D657344, Abhijeet Singh (www.linkedin.com/in/abhiunix/), Omar Cerrito, R4mbb(KRsecurity), Stuart Thomas, Vladislav Shevchenko (Positive Technologies), Fábio Luís@@scanpt(STAR Labs SG Pte), Richard Zana(STAR Labs SG Pte), Wang Yu, CVE-2019-5598, Mohamed Wedatalla, Arjanit Isufi, Adrián Díaz Aguilar, HvxyZLF, Shuiliang Xie, Kitten Food, Dave G., Dave G.(supernetworks), Alex Radocea(supernetworks), Dawuge(Shuffle Team), Armend Gashi, Myeonghun Pak, Alan Banderas@@creeper4004, Mustafa Ahmed, Matthew Zamat, Yiğit Can YILMAZ@@yilmazcanyigit, Dmytro Merkulov, Claudio Bozzato(Cisco Talos), Francesco Benvenuto(Cisco Talos), Hoffcona(IES Red Team), silo, Tristan Madani (Talence Security), Kenneth Chew, Dora Orak, Arbuckle@@Ethan, @@leptos_null, Piotr Jerzy Duszynski(MurphySec), f0r(MurphySec), PETOWORKS의 Bugeun Choi@@Bugeun, Rahul Raj, ธนกฤต ทัฬหะ, stratan@@5tratan, Hongsik Kim (mnur), Bálint Magyar (balintmagyar.com), Stuart Wallace, Kieran Klukas (taciturnaxolotl), Liu Xue & 九宫格(Chongqing Telecom), Issa Sancho, @@08Tc3wBB(Jamf), Prathamesh Walunj(Iru), Ahmad Al Harrizuan Izadin, Ilya Andr (andrd3v)(Positive Technologies), CJ Vana, Dhiyanesh Selvaraj@@redroot97, Alfredo Pesoli via Bynario Atlas (bynar.io)@@__rev, Anon Tuttu Venus, Stefan Esser (Calif), 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), John Lussier, Filip Olszak, Meshaal@@unrealmesh, Abodi Dawoud(van Dijk), Merrick Hare(van Dijk), Roel(van Dijk), Gergely Kalman@@gergely_kalman, Arni Hardarson (Neonix Security), Pranav Gopalkrishnan, Alan Wang, Ailsa Sun, Hovav Shacham, Riccardo Paccagnella, Chris Fletcher, David Kohlbrenner, Owen Pawling@@owenpawling, Stanislav Jelezoglo, Gongyu Ma (twitter@@Mezone0, Jonghoon Han (Aegis)(Shuffle Team), bubu(Shuffle Team), 이재영(Shuffle Team), Tae Woo Kim(Shuffle Team), Ricardo Prado, Abodi Dawoud(Best Buddy Apps), Guilherme Rambo(Best Buddy Apps), Jakob Pammer(Calif), 재영 정(Calif), 재영 정(ThreatBook), Jay Patel, 재영 정, Cem Onat Karagun, YingMuo@@YingMuo(DEVCORE Research Team), Rodolphe BRUNETTI@@eisw0lf(Lupus Nova), 杉山 壮太, AL Najafi, Abodi Dawoud, 糖豆爸爸(@晴天组织), Robert Mindo, Ujjwal Reddy Kalvolu Sreenivasa Reddy, Johan Wahyudi, Paul Montgomery@@nullevent, Jérôme Djouder, Seung Je Seong(Positive Technologies), Jakob Pammer, Meridian Miftari, Amy (amys.website), Aaron Grattafiori - NVIDIA AI Red Team, Kirin@@Pwnrin, Zhongquan Li@@Guluisacat, Koh M. Nakagawa@@tsunek0h(FFRI Security Inc), deepsec@@DarkNavyOrg(DARKNAVY), Mickey Jin@@patch1t, Rohit Chatterjee, Lance Cain - Senior Consultant at SpecterOps Inc., Zeyang Li&Yuxiang Wang(Chongqing Telecom), 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), Souta Sugiyama, Viggo Lekdorf, Tomi Garcia (archyxsec), Kwak Kiyong / kakaogames, OGINOME Tomohito, Efstratios Kaplanellis@@5tratan(Almamater Technologies), Drin Raci(sentry), Stuart Wallace(Totally Not Malicious Software), Ilya Andr (andrd3v)(Totally Not Malicious Software), Rosyna Keller(Totally Not Malicious Software), Gongyu Ma@@Mezone0, Jian Lee@@speedyfriend433, Arni Hardarson (Neonix Security)(Appknox), Vinay Kumar Rasala (Xplo8E)(Appknox), LiangWei, Zhongcheng Li (CK01), Prashan Samarathunge, Dem0ns (@天府简易信工作室), Abdelhak Kherroubi, Jasminder Pal Singh, Lehan Dilusha Jayasingha (Sri Lanka), Nick Cook, Sentry Flag, tamdao, S. Rosario, D4rthL, Ahmed Alwardani, Mohamad Dawoud / Abodi Dawoud, Zhongcheng Li(IES Red Team), Mr.Gedik@@h4ck2s3c, Mr.Gedik@@h4ck2s3c(Turkish Technology), Kun Peeks@@SwayZGl1tZyyy, Oren Yomtov, Morris Richman@@morrisinlife, Calif.io in collaboration with Claude, Ruslan Dautov, CVE-2026-65414, Marc Newlin(SkySafe), jioundai, Murray Mike(Nosebeard Labs), zenith, Sanny Mitra(Cystack), Sihyun Roh (Compsec(Cystack), SNU)(Cystack), Ataberk Yavuzer, 정우 하@@0xfa11babe, Surej Sekhar, Suresh Sundaram, Rishabh Jain (rjcyber)(cyberplanet), Pasquale Scola, Jihwan Yoon, Mathis Mansière, Duc Anh Nguyen & Ta Duc Thien, Siyeong kim, Meta Product Security, Ryan Hughes, Kujtim Kryeziu (Sentry), Pavan Nallamothu, ret2happy, 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, N.M.Praveen Nawarathne@@zblockrat, James Gill @infosec.exchange)@@jjtech, flower xu, Ryohei Ueki Research)@@SYZD, Alfredo Pesoli via Bynario Atlas (bynar.io)@@__rev

Affected Software

3 affected componentsFixes available
Apple macOS Golden Gate<27
Apple macOS Golden Gate<27
27
Apple macOS<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 macOS 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

What access does an attacker need to trigger this issue?

The issue is described as being triggerable by an app, so exploitation requires the ability to run an application on the affected Mac.

2

What is the known impact?

An app may be able to cause unexpected system termination, resulting in a denial-of-service condition.

3

Which release includes the fix?

Apple states that the race condition was fixed in macOS Golden Gate 27 through improved locking.

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