CVE-2026-28930: Input Validation

Published May 11, 2026
·
Updated

A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Tahoe 26.5. An app may be able to access protected user data.

Other sources

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

— Apple

Accelerate. An out-of-bounds read was addressed with improved bounds checking.

— Apple

Accessibility. This issue was addressed with improved data protection.

— Apple

Accounts. A permissions issue was addressed with additional restrictions.

— Apple

AirDrop. A reachable assertion was addressed with improved input validation.

— Apple

Credit

Seiji Sakurai@@HeapSmasher, Asaf Cohen, Arash Ale Ebrahim(SCy), Dave G., Vamshi Paili, Tony Gorez for Reverse Society@@tonygo_, CVE-2026-1837, impost0r (ret2plt), Nicholas Soh, David Ige(Beryllium Security), Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), Arni Hardarson, Niels Hofmans(TrendAI Zero Day Initiative), Anonymous(TrendAI Zero Day Initiative), CVE-2025-14017, CVE-2025-14819, Alex Radocea, Kun Peeks@@SwayZGl1tZyyy, Aswin Kumar Gokula Kannan, Gandalf4a(PKU), Anton Pakhunov, an anonymous researcher, Suresh Sundaram, Jiri Ha, wdszzml, Atuin Automated Vulnerability Discovery Engine, Johnny Franks@@0xjohnny, Google Threat Analysis Group, Mihalis Haatainen, Ari Hawking, Ashish Kunwar, Richard Zana, Dhiyanesh Selvaraj@@redroot97, Somair Ansar, Vaagn Vardanian, Nathaniel Oh@@calysteon, beist, Yiğit Can YILMAZ@@yilmazcanyigit, popku1337(STAR Labs SG Pte), Billy Jheng Bing Jhong(STAR Labs SG Pte), Pan Zhenpeng@@Peterpan0927(STAR Labs SG Pte), Robert Tran, Aswin kumar Gokulakannan, Calif.io in collaboration with Claude, Anthropic Research, Csaba Fitzl@@theevilbit(Iru), Ryan Hileman via Xint Code (xint.io), Chris Betz(Talence Security), Tristan Madani@@TristanInSec(Talence Security), Ruslan Dautov, Prathamesh Walunj@@attahasa, Atul R V, Omar Cerrito, Ricardo Prado, Ian van der Wurff (ian.nl), Michael DePlante@@izobashi(TrendAI Zero Day Initiative), Dan Raviv, Ilya Sc. Jowell A., Peter Malone, Doron Assness, Surya Kushwaha(Supernetworks), Robert Tran(Supernetworks), Peter Malone(Supernetworks), Dave G.(Supernetworks), Alex Radocea(Supernetworks), Pan ZhenPeng@@Peterpan0927(STAR Labs SG Pte), Andy Koo@@andykoo(Hexens), Amy (amys.website), YingQi Shi@@Mas0nShi(DBAppSecurity's WeBin lab), David Ige - Beryllium Security, Cantina, Luke Francis, kwak kiyong / kakaogames, Vitaly Simonovich, Adel Bouachraoui, greenbynox, Do Young Park, Artem Dinaburg(Trail of Bits via Anthropic CVD), Yuhao Hu, Yuanming Lai, Chenggang Wu, Zhe Wang, Idan Masas(TrendAI Zero Day Initiative), DARKNAVY@@DarkNavyOrg(TrendAI Zero Day Initiative), Daniel Rhea, Luka Rački, wac(TrendAI Zero Day Initiative), Kookhwan Lee(TrendAI Zero Day Initiative), Mateusz Krzywicki (iVerify.io), Maher Azzouzi, Aisle offensive security research team (Joshua Rogers(Calif), Luigino Camastra(Calif), Igor Morgenstern(Calif), (Calif), Guido Vranken)(Calif), Maher Azzouzi(Calif), Ngan Nguyen(Calif), dr3dd, Gia Bui@@yabeow(Calif), w0wbox, Milad Nasr, Nicholas Carlini with Claude, Anthropic, Khiem Tran, lebr0nli(National Yang Ming Chiao Tung University), Security, Systems Lab, Kenneth Hsu(Palo Alto Networks), Jérôme DJOUDER, Wang Yu, Brendon Tiszka(Google Project Zero), Lehan Dilusha Jayasingha (Sri Lanka), Jasminder Pal Singh, Dem0ns (@天府简易信工作室), Abdelhak Kherroubi, tamdao, Franco Belman at Blackwing Intelligence, Mickey Jin@@patch1t, Pavan Nallamothu, Jared Reyes, D4rthL, Mohamad Dawoud / Abodi Dawoud, Ahmed Alwardani, Mustafa Calap@@ordinal0, dbg.re), Meta Red Team X - Nik Tsytsarkin, Zhongcheng Li(IES Red Team), Mr.Gedik@@h4ck2s3c(Turkish Technology), Mr.Gedik@@h4ck2s3c, Sindre Sorhus, Oren Yomtov, Morris Richman@@morrisinlife, Ye Zhang@@VAR10CK(Baidu Security), CVE-2026-65414, Sanny Mitra(Cystack), Sihyun Roh (Compsec(Cystack), SNU)(Cystack), ngockhanh(Cystack), 정우 하@@0xfa11babe, Surej Sekhar, Hari Shanmugam (The Hxr1), Ataberk Yavuzer, Rishabh Jain (rjcyber)(cyberplanet), Pasquale Scola, Dawuge(Shuffle Team), 이재영, Siyeong kim, Chris Bailey - Short Circuit, AL Najafi, Stuart Wallace, Ryan Hughes, Kujtim Kryeziu (Sentry), stratan@@5tratan, Rahul Raj, 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, Aaron Grattafiori - NVIDIA AI Red Team, 章鱼哥 (aipyaipy.com）@@aipy, N.M.Praveen Nawarathne@@zblockrat, James Gill @infosec.exchange)@@jjtech, Tommy DeVoss@@thedawgyg(Braze Security Team), flower xu, Adriatik Raci, PETOWORKS의 Bugeun Choi@@Bugeun, Hyunwoo Kim@@v4bel, Daisuke Hatakeyama, Ryohei Ueki Research)@@SYZD, Manish Bhatt, Amazon Leo Security, Junyeong Lee (jylab.github.io), Merrick Hare, Narendra Singh@@_3P1C, John Nzyuko Uvyu, Aditya Kumar, Geoffrey Lovelace, Bruce Dang(Calif), Luke Symons, Jiyong Yang, Roman Zabicki, Arni Hardarson (Neonix Security)(Talence Security), 정우 하, Aswin Kumar Gokulakannan, Dun, Jonathan Bar Or@@yo_yo_yo_jbo(ThreatBook), Feng Xue(ThreatBook), XGPT(ThreatBook), Alfredo Pesoli@@__rev(Bynar), Justin O'Leary, 진규정 (Gyujeong Jin, @@G1uN4sh, Mateusz Jurczyk(Google Project Zero), Varik Matevosyan, hxr1, Bernhard Jackiewicz, Svetoslav Stolarov & Aisa Fox(Calif), Josh Maine(Calif), genter0, James Duffy@@0x4A616D657344, Eddy Tsalolikhin, Surya Narayan Kushwaha, Hiroki Imai (LAC Co., Ltd.), Abhijeet Singh (www.linkedin.com/in/abhiunix/), Stuart Thomas, Ashish Kunwar(Positive Technologies), Mikhail Lozhnikov(Positive Technologies), Bhaswanth Chigurupati, Fábio Luís@@scanpt(STAR Labs SG Pte), Richard Zana(STAR Labs SG Pte), Vladislav Shevchenko (Positive Technologies), Mohamed Wedatalla, Arjanit Isufi, HvxyZLF, Adrián Díaz Aguilar, Armend Gashi, Sindre Sorhus(IES Red Team), Hoffcona(IES Red Team), Claudio Bozzato(Cisco Talos), Francesco Benvenuto(Cisco Talos), Kenneth Chew, Dora Orak, Arbuckle@@Ethan, @@leptos_null, Hongsik Kim (mnur), 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), John Lussier, Filip Olszak, Jakob Pammer(Calif), 재영 정(Calif), 재영 정(ThreatBook), Peter Malone(ThreatBook), Jay Patel, 재영 정, YingMuo@@YingMuo(DEVCORE Research Team), Rodolphe BRUNETTI@@eisw0lf(Lupus Nova), Abodi Dawoud, 糖豆爸爸(@晴天组织), Robert Mindo, Niels Hofmans, Ujjwal Reddy Kalvolu Sreenivasa Reddy, Johan Wahyudi, 이재영(Positive Technologies), Seung Je Seong(Positive Technologies), Jakob Pammer(Positive Technologies), Ilya Andr (andrd3v)(Positive Technologies), Jérôme Djouder, Meridian Miftari, Zeyang Li&Yuxiang Wang(Chongqing Telecom), Tomi (tk0) Koski@@tomikoski, bubu(Calif), Surya Narayan Kushwaha(Calif), Roman Zabicki(Calif), Richard Zana(Calif), Omar Cerrito(Calif), HE WEI（ギカク）(Calif), Chris Bailey - Short Circuit(Calif), Kraken Cryptocurrency Exchange(Nosebeard Labs), Stuart Wallace(Totally Not Malicious Software), Rosyna Keller(Totally Not Malicious Software), Jian Lee@@speedyfriend433, Ilya Andr (andrd3v), Gongyu Ma@@Mezone0, David Strnadel, Daniel Febrero, CJ Vana, Cem Onat Karagun

Affected Software

3 affected componentsFixes available
Apple macOS>=26.0<26.5
Apple macOS Tahoe<26.5
26.5
Apple macOS Sequoia<15.8
15.8

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 26.5
  2. Upgrade

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

    Fixed in 15.8

Event History

May 11, 2026
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
CVE Published
via MITRE·08:08 PM
Data Sourced
via MITRE·08:08 PM
DescriptionWeakness
Data Sourced
via NVD·09:18 PM
DescriptionSeverityWeaknessAffected Software
Sep 14, 2026
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2026-28930?

CVE-2026-28930 is considered a high-severity vulnerability due to its potential to allow unauthorized access to protected user data.

2

How do I fix CVE-2026-28930?

To fix CVE-2026-28930, update your macOS Tahoe to version 26.5 or later, as it includes the necessary patches.

3

What versions of macOS Tahoe are affected by CVE-2026-28930?

CVE-2026-28930 affects macOS Tahoe versions prior to 26.5.

4

What kind of issue is described in CVE-2026-28930?

CVE-2026-28930 describes a permissions issue that could allow an application to access protected user data.

5

What improvements were made to address CVE-2026-28930?

CVE-2026-28930 was addressed with additional restrictions and improved bounds checking to prevent out-of-bounds reads.

Company

Resources

Contact

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