CVE-2026-65346: Race Condition

Published Aug 17, 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. This issue was addressed with additional entitlement checks.

— Apple

AMD. The issue was addressed with improved checks.

— Apple

An integer overflow was addressed with improved input validation. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Processing an image may lead to arbitrary code execution.

— NVD

APFS. A buffer overflow was addressed with improved size validation.

— Apple

Credit

Mustafa Calap@@ordinal0, dbg.re), Meta Red Team X - Nik Tsytsarkin, Xint Code, Geonha Lee@@leegn4a, an anonymous researcher, f00l@@PPPF00L, 3ndy1@@_3ndy1, Minghao Lin@@Y1nkoc, 云散花折, Arjanit Isufi, Ruslan Dautov, hxr1, Drinor Selmanaj (Sentry), Surya Narayan Kushwaha, Ashish Kunwar(Positive Technologies), Mikhail Lozhnikov(Positive Technologies), Bhaswanth Chigurupati(STAR Labs SG Pte), Billy Jheng Bing Jhong(STAR Labs SG Pte), Pan Zhenpeng@@Peterpan0927(STAR Labs SG Pte), Janggoon Lee(Out of Bounds), OpenAI Codex Security - Amy Burnett, wwwlk, Henock Habte, Charles Kern, Shubham Chaskar, Seonwook Kim, lattice, Josef Korbel, Thomas Guillem, Niels Hofmans, Claudio Bozzato(Cisco Talos), Francesco Benvenuto(Cisco Talos), Josef Korbel (Citadelo), Kun Peeks@@SwayZGl1tZyyy, Hossein Lotfi@@hosselot(TrendAI Zero Day Initiative), Dung Do@@_piers2(Calif), 杉山 壮太, Talal Haj Bakry(Mysk Inc), Tommy Mysk@@mysk_co(Mysk Inc), Mohit Negi, Shubham Chaskar(Braze Security Team), Tommy DeVoss@@thedawgyg(Braze Security Team), Myungyong Lee, Kwak Kiyong@@Pwnkai23, Song Nuri, Bedran Karakoc(Ruhr University Bochum), Tobias Funke(Ruhr University Bochum), Jacopo Clark(Ruhr University Bochum), Katharina Kohls(Ruhr University Bochum), Peter Malone, Arni Hardarson (Neonix Security), 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, Zhongcheng Li (CK01), Prashan Samarathunge, Franco Belman at Blackwing Intelligence, Zhongcheng Li(IES Red Team), Calif.io in collaboration with Claude, Anthropic Research, CVE-2026-65414, jioundai, Stanislav Jelezoglo, Heiner Gerdes, Rishabh Jain (rjcyber)(cyberplanet), Pasquale Scola, Dawuge(Shuffle Team), Duc Anh Nguyen & Ta Duc Thien, Chris Bailey - Short Circuit, Meta Product Security, Stuart Wallace, Pavan Nallamothu, ret2happy, stratan@@5tratan, Rahul Raj, N.M.Praveen Nawarathne@@zblockrat, James Gill @infosec.exchange)@@jjtech, Nik Tsytsarkin, Bruce Dang(Calif), Jiyong Yang, Vishal Patidar, Roman Zabicki, Justin O'Leary@@olearysec(olearysec), Mateusz Jurczyk(Google Project Zero), Chanwit Muenprakoddee (ChemIndy), Mihalis Haatainen, Ashish Kunwar, Ari Hawking, 이재영, Seiji Sakurai@@HeapSmasher, genter0(Calif), Svetoslav Stolarov(Calif), Josh Maine(Calif), Dun, Ryan Hileman via Xint Code (xint.io), 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), OpenAI, Hüseyin Kabasakal@@HuseyinK01, Kitten Food, Myeonghun Pak, Nathaniel Oh@@calysteon, Alan Banderas@@creeper4004, 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, Viggo Lekdorf, Junhyuk Im(S2W Inc), Seungyun Lee(S2W Inc), Efstratios Kaplanellis@@5tratan(Almamater Technologies), Jakob Pammer, Drin Raci(sentry), Siyeong kim, Junyeong Lee (jylab.github.io), Merrick Hare, Aditya Kumar, John Nzyuko Uvyu, Varik Matevosyan, Yiğit Can YILMAZ@@yilmazcanyigit, Hongsik Kim (mnur), Dem0ns (@天府简易信工作室), Abdelhak Kherroubi, Jasminder Pal Singh, Lehan Dilusha Jayasingha (Sri Lanka), Johan Wahyudi, S. Rosario, tamdao, Ilya Andr (andrd3v), Jihwan Yoon, Mathis Mansière, AL Najafi, Geoffrey Lovelace, He Wei (ギカク), Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), Morris Richman@@morrisinlife, Tristan Brennan, Rodolphe Brunetti@@eisw0lf(Lupus Nova), Piotr Jerzy Duszynski(MurphySec), f0r(MurphySec), PETOWORKS의 Bugeun Choi@@Bugeun, ธนกฤต ทัฬหะ, Abodi Dawoud(van Dijk), Merrick Hare(van Dijk), Roel(van Dijk), OSORI, Jonghoon Han (Aegis)(Shuffle Team), bubu(Shuffle Team), 이재영(Shuffle Team), Tae Woo Kim(Shuffle Team), Lehan Dilusha Jayasingha, Tomi Garcia (archyxsec), Kwak Kiyong / kakaogames, OGINOME Tomohito, Hyunwoo Kim@@v4bel, Daisuke Hatakeyama, Ryohei Ueki Research)@@SYZD, Adriatik Raci, Manish Bhatt, Amazon Leo Security, Richard Zana, Luke Symons, Redon Gashi(Sentry), Arni Hardarson (Neonix Security)(Talence Security), 정우 하, Aswin Kumar Gokulakannan, Jonathan Bar Or@@yo_yo_yo_jbo(ThreatBook), Feng Xue(ThreatBook), XGPT(ThreatBook), Alfredo Pesoli@@__rev(Bynar), 진규정 (Gyujeong Jin, @@G1uN4sh, 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, Piotr Jerzy Duszynski(Google Project Zero), ธนกฤต ทัฬหะ(MurphySec), Rahul Raj(MurphySec), PETOWORKS의 Bugeun Choi@@Bugeun(MurphySec), Bernhard Jackiewicz, genter0, James Duffy@@0x4A616D657344, Eddy Tsalolikhin, Omar Cerrito, Abhijeet Singh (www.linkedin.com/in/abhiunix/), Stuart Thomas, CVE-2019-5598, Wang Yu, Mohamed Wedatalla, HvxyZLF, Adrián Díaz Aguilar, Armend Gashi, Kenneth Chew, Dora Orak, Arbuckle@@Ethan, @@leptos_null, Liu Xue & 九宫格(Chongqing Telecom), 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), 재영 정(ThreatBook), Peter Malone(ThreatBook), Jay Patel, 재영 정, Dave G., Rodolphe BRUNETTI@@eisw0lf(Lupus Nova), Pan ZhenPeng@@Peterpan0927(STAR Labs SG Pte), Abodi Dawoud, 糖豆爸爸(@晴天组织), Robert Mindo, Ujjwal Reddy Kalvolu Sreenivasa Reddy, 이재영(Positive Technologies), Seung Je Seong(Positive Technologies), Jakob Pammer(Positive Technologies), Jérôme Djouder, Amy (amys.website), Meridian Miftari, Aaron Grattafiori - NVIDIA AI Red Team, Tomi (tk0) Koski@@tomikoski, Hari Shanmugam (The Hxr1), 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), HE WEI（ギカク）(Calif), Kraken Cryptocurrency Exchange(Nosebeard Labs), Niels Hofmans(sentry), LiangWei, Mickey Jin@@patch1t, Jared Reyes, D4rthL, Mohamad Dawoud / Abodi Dawoud, Ahmed Alwardani, Mr.Gedik@@h4ck2s3c(Turkish Technology), Mr.Gedik@@h4ck2s3c, Oren Yomtov, Marc Newlin(SkySafe), Sanny Mitra(Cystack), Sihyun Roh (Compsec(Cystack), SNU)(Cystack), ngockhanh(Cystack), 정우 하@@0xfa11babe, Suresh Sundaram, Surej Sekhar, Ataberk Yavuzer, Ryan Hughes, Kujtim Kryeziu (Sentry), Yongyue WANG AKA Brian.W(OKX security), 章鱼哥 （aipyaipy.com）@@aipy, instantraaamen (github.com/instantraaamen) Contact: masa.shiramizu.com@@gmail, Meshaal @ Darkcov, Joseph Shamoon, 章鱼哥 (aipyaipy.com）@@aipy, Thiago Mayllart, flower xu, Ryohei Ueki Research)@@SYZD

Affected Software

10 affected componentsFixes available
Apple iOS<26.6.1
26.6.1
Apple iPadOS<26.6.1
26.6.1
Apple macOS Tahoe<26.6.2
26.6.2
Apple tvOS<27
27
Apple WatchOS<27
27
Apple visionOS<27
27
Apple macOS Sequoia<15.8
15.8
Apple iPadOS<26.6.1
Apple iPhone OS<26.6.1
Apple macOS>=26.0<26.6.2

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 26.6.2
  2. Upgrade

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

    Fixed in 26.6.1
  3. Upgrade

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

    Fixed in 27
  4. Upgrade

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

    Fixed in 15.8
  5. Upgrade

    Upgrade iOS to a version that resolves this vulnerability.

    Fixed in 26.6.1
  6. Upgrade

    Upgrade iPadOS to a version that resolves this vulnerability.

    Fixed in 26.6.1
  7. Upgrade

    Upgrade macOS Sequoia to a version that resolves this vulnerability.

    Fixed in 15.8
  8. Upgrade

    Upgrade macOS Tahoe to a version that resolves this vulnerability.

    Fixed in 26.6.2
  9. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 27
  10. Upgrade

    Upgrade visionOS to a version that resolves this vulnerability.

    Fixed in 27
  11. Upgrade

    Upgrade watchOS to a version that resolves this vulnerability.

    Fixed in 27

Event History

Aug 17, 2026
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
CVE Published
via MITRE·09:31 PM
Data Sourced
via MITRE·09:31 PM
DescriptionWeakness
Data Sourced
via NVD·10:17 PM
DescriptionSeverityWeaknessAffected Software
Aug 18, 2026
News Published
via ZDNet·02:12 PM

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Which systems should be prioritized for remediation?

Devices running iOS earlier than 26.6.1, iPadOS earlier than 26.6.1, or macOS Tahoe earlier than 26.6.2 are affected according to the available fix information. The data does not identify any affected configurations beyond those software versions.

2

What must occur for exploitation to be possible?

Exploitation requires processing an image, which may lead to arbitrary code execution. The available information does not specify a delivery method, user interaction requirements, or whether the image must be maliciously crafted.

3

What is the available remediation?

Update iOS and iPadOS to 26.6.1 or later, and update macOS Tahoe to 26.6.2 or later. The provided information does not describe a workaround or mitigation for systems that cannot yet be updated.

Company

Resources

Contact

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