CVE-2026-84586: Infoleak

Published Sep 14, 2026
·
Updated

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

Other sources

Accessibility. This issue was addressed with improved data protection.

— Apple

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

— Apple

An information disclosure issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, watchOS 27. A malicious application may be able to leak sensitive user information.

— MITRE

APFS. A permissions issue was addressed with improved path validation.

— Apple

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

— Apple

Credit

Peter Malone, Stuart Wallace(Totally Not Malicious Software), Ilya Andr (andrd3v)(Totally Not Malicious Software), Rosyna Keller(Totally Not Malicious Software), CJ Vana, David Strnadel, Daniel Febrero, Asaf Cohen, Gongyu Ma@@Mezone0, Jian Lee@@speedyfriend433, Cem Onat Karagun, an anonymous researcher, Zhongcheng Li (CK01), Prashan Samarathunge, Franco Belman at Blackwing Intelligence, Mustafa Calap@@ordinal0, dbg.re), Meta Red Team X - Nik Tsytsarkin, Zhongcheng Li(IES Red Team), Calif.io in collaboration with Claude, Anthropic Research, Ruslan Dautov, CVE-2026-65414, Stanislav Jelezoglo, Heiner Gerdes, Rishabh Jain (rjcyber)(cyberplanet), Pasquale Scola, Dawuge(Shuffle Team), Chris Bailey - Short Circuit, Stuart Wallace, Pavan Nallamothu, ret2happy, Meta Product Security, stratan@@5tratan, Rahul Raj, N.M.Praveen Nawarathne@@zblockrat, James Gill @infosec.exchange)@@jjtech, Nik Tsytsarkin, Bruce Dang(Calif), Tommy DeVoss@@thedawgyg(Braze Security Team), Jiyong Yang, Vishal Patidar, Roman Zabicki, Justin O'Leary, Geonha Lee@@leegn4a, f00l@@PPPF00L, 3ndy1@@_3ndy1, Minghao Lin@@Y1nkoc, 云散花折, Arjanit Isufi, Mihalis Haatainen, Ashish Kunwar, Ari Hawking, 이재영, hxr1, Seiji Sakurai@@HeapSmasher, genter0(Calif), Svetoslav Stolarov & Aisa Fox(Calif), Josh Maine(Calif), Dun, Billy Jheng Bing Jhong(STAR Labs SG Pte), Pan Zhenpeng@@Peterpan0927(STAR Labs SG Pte), Ryan Hileman via Xint Code (xint.io), Drinor Selmanaj (Sentry), Surya Narayan Kushwaha, Bhaswanth Chigurupati, Tristan Madani@@TristanInSec(Talence Security), Ye Zhang@@VAR10CK(Baidu Security), Hiroki Imai (LAC Co., Ltd.), R4mbb(KRsecurity), Vladislav Shevchenko (Positive Technologies), Fábio Luís@@scanpt(STAR Labs SG Pte), Richard Zana(STAR Labs SG Pte), Ashish Kunwar(Positive Technologies), Mikhail Lozhnikov(Positive Technologies), Bhaswanth Chigurupati(STAR Labs SG Pte), Kitten Food, Myeonghun Pak, Nathaniel Oh@@calysteon, Alan Banderas@@creeper4004, Claudio Bozzato(Cisco Talos), Francesco Benvenuto(Cisco Talos), Sindre Sorhus(IES Red Team), Hoffcona(IES Red Team), Issa Sancho, Ilya Andr (andrd3v)(Positive Technologies), Dhiyanesh Selvaraj@@redroot97, Narendra Singh@@_3P1C, John Lussier, Filip Olszak, Owen Pawling@@owenpawling, Gongyu Ma (twitter@@Mezone0, YingMuo@@YingMuo(DEVCORE Research Team), Sindre Sorhus, Constantin Clerc(Calif), Shad J(Calif), huami1314@@huamidev(Calif), Huy Nguyen@@34306(Calif), Zeyang Li&Yuxiang Wang(Chongqing Telecom), Souta Sugiyama, Henock Habte, Viggo Lekdorf, Hossein Lotfi@@hosselot(TrendAI Zero Day Initiative), 杉山 壮太, Shubham Chaskar, Dung Do@@_piers2(Calif), Mohit Negi, Myungyong Lee, Kwak Kiyong@@Pwnkai23, Song Nuri, Arni Hardarson (Neonix Security)(Appknox), Vinay Kumar Rasala (Xplo8E)(Appknox), Dem0ns (@天府简易信工作室), Abdelhak Kherroubi, Jasminder Pal Singh, Lehan Dilusha Jayasingha (Sri Lanka), Nick Cook, Sentry Flag, tamdao, Richard Zana, Mickey Jin@@patch1t, D4rthL, Ahmed Alwardani, Mohamad Dawoud / Abodi Dawoud, Ilya Andr (andrd3v), Mr.Gedik@@h4ck2s3c, Mr.Gedik@@h4ck2s3c(Turkish Technology), Kun Peeks@@SwayZGl1tZyyy, Oren Yomtov, Morris Richman@@morrisinlife, Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), Sanny Mitra(Cystack), Sihyun Roh (Compsec(Cystack), SNU)(Cystack), ngockhanh(Cystack), Ataberk Yavuzer, 정우 하@@0xfa11babe, Surej Sekhar, Suresh Sundaram, Hari Shanmugam (The Hxr1), Siyeong kim, AL Najafi, Ryan Hughes, Kujtim Kryeziu (Sentry), Yongyue WANG AKA Brian.W(OKX security), Omar Cerrito, Юлия Мерцалова, Aaron Grattafiori - NVIDIA AI Red Team, 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, flower xu, Adriatik Raci, PETOWORKS의 Bugeun Choi@@Bugeun, Daisuke Hatakeyama, Ryohei Ueki Research)@@SYZD, Hyunwoo Kim@@v4bel, Manish Bhatt, Amazon Leo Security, Junyeong Lee (jylab.github.io), Merrick Hare, Aditya Kumar, John Nzyuko Uvyu, Geoffrey Lovelace, Yurii Bakurov, Ron Masas(BreakPoint), Luke Symons, Feng Xue(ThreatBook), XGPT(ThreatBook), Alfredo Pesoli@@__rev(Bynar), Jonathan Bar Or@@yo_yo_yo_jbo, Arni Hardarson (Neonix Security)(Talence Security), 정우 하, Aswin Kumar Gokulakannan, Meta Red Team X, Niels Hofmans, Mateusz Jurczyk(Google Project Zero), Varik Matevosyan, Csaba Fitzl@@theevilbit(Iru), Bernhard Jackiewicz, James Young, genter0, Eddy Tsalolikhin, James Duffy@@0x4A616D657344, Abhijeet Singh (www.linkedin.com/in/abhiunix/), Stuart Thomas, Mohamed Wedatalla, Adrián Díaz Aguilar, HvxyZLF, Dave G., Dave G.(supernetworks), Alex Radocea(supernetworks), Armend Gashi, Matthew Zamat, Yiğit Can YILMAZ@@yilmazcanyigit, Dmytro Merkulov, silo, Kenneth Chew, Dora Orak, Arbuckle@@Ethan, @@leptos_null, Hongsik Kim (mnur), Bálint Magyar (balintmagyar.com), Kieran Klukas (taciturnaxolotl), Liu Xue & 九宫格(Chongqing Telecom), 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), Meshaal@@unrealmesh, Jakob Pammer(Calif), 재영 정(Calif), 재영 정(ThreatBook), Jay Patel, 재영 정, Rodolphe BRUNETTI@@eisw0lf(Lupus Nova), Abodi Dawoud, 糖豆爸爸(@晴天组织), Robert Mindo, Ujjwal Reddy Kalvolu Sreenivasa Reddy, Johan Wahyudi, Jérôme Djouder, Seung Je Seong(Positive Technologies), Jakob Pammer, Meridian Miftari, Amy (amys.website), Zhongquan Li@@Guluisacat, Koh M. Nakagawa@@tsunek0h(FFRI Security Inc), 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), Tomi (tk0) Koski@@tomikoski, Kraken Cryptocurrency Exchange, HE WEI（ギカク）(Calif), bubu(Calif), Omar Cerrito(Calif), Roman Zabicki(Calif), Richard Zana(Calif), Chris Bailey - Short Circuit(Calif), Aswin Kumar Gokulakannan(Calif), Surya Narayan Kushwaha(Calif), Tomi Garcia (archyxsec), OGINOME Tomohito

Affected Software

4 affected componentsFixes available
Apple WatchOS<27
27
Apple macOS Golden Gate<27
27
Apple macOS<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

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·08:50 PM
Data Sourced
via MITRE·08:50 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

Which systems are confirmed to include the fix?

The issue is fixed in macOS Golden Gate 27 and watchOS 27.

2

What impact is explicitly identified for exploitation?

A malicious application may be able to leak sensitive user information.

Company

Resources

Contact

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