CVE-2026-28984: Input Validation

Published May 11, 2026
·
Updated

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

Other sources

Accessibility. This issue was addressed through improved state management.

— Apple

Accounts. A permissions issue was addressed with additional restrictions.

— Apple

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

— Apple

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

— Apple

APFS. A buffer overflow was addressed with improved bounds checking.

— Apple

Credit

Cantina, Luke Francis, Vaagn Vardanian, 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), Anonymous(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, Tristan Madani@@TristanInSec(Talence Security), Nathaniel Oh@@calysteon, Aisle offensive security research team (Joshua Rogers(Calif), Luigino Camastra(Calif), Igor Morgenstern(Calif), (Calif), Guido Vranken)(Calif), Maher Azzouzi(Calif), Ngan Nguyen(Calif), an anonymous researcher, 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, impost0r (ret2plt), Nicholas Soh, David Ige(Beryllium Security), Alan Wang, Ailsa Sun, Christopher W. Fletcher, Hovav Shacham, David Kohlbrenner, Riccardo Paccagnella, Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), Niels Hofmans(TrendAI Zero Day Initiative), Alex Radocea, Gandalf4a(PKU), Anton Pakhunov, Suresh Sundaram, Jiri Ha, Arni Hardarson, Johnny Franks@@0xjohnny, Google Threat Analysis Group, Mihalis Haatainen, Ari Hawking, Ashish Kunwar, Richard Zana, Dhiyanesh Selvaraj@@redroot97, Somair Ansar, 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, Csaba Fitzl@@theevilbit(Iru), Ryan Hileman via Xint Code (xint.io), Chris Betz(Talence Security), Ruslan Dautov, Zhongcheng Li (CK01), Atul R V, Omar Cerrito, Ricardo Prado, Ian van der Wurff (ian.nl), Michael DePlante@@izobashi(TrendAI Zero Day Initiative), Asaf Cohen, Ilya Sc. Jowell A., Peter Malone, Jorge Welch, Doron Assness, Andy Koo@@andykoo(Hexens), Adriatik Raci, Abhay Kailasia@@abhay_kailasia(Safran Mumbai India), Brendon Tiszka(Google Project Zero), CVE-2026-1837, CVE-2025-14017, CVE-2025-14819, Kun Peeks@@SwayZGl1tZyyy, Aswin Kumar Gokula Kannan, Dave G., wdszzml, Atuin Automated Vulnerability Discovery Engine, beist, Yiğit Can YILMAZ@@yilmazcanyigit, Calif.io in collaboration with Claude, Anthropic Research, Prathamesh Walunj@@attahasa, Dan Raviv, Surya Kushwaha(Supernetworks), Robert Tran(Supernetworks), Peter Malone(Supernetworks), Dave G.(Supernetworks), Alex Radocea(Supernetworks), Pan ZhenPeng@@Peterpan0927(STAR Labs SG Pte), Amy (amys.website), YingQi Shi@@Mas0nShi(DBAppSecurity's WeBin lab), David Ige - Beryllium Security, Wang Yu, Richard Zana(Nosebeard Labs), Steven Zhao (zhao.io), wh0am1i, stratan@@5tratan, Francisco Knabe, Nik Tsytsarkin, Stanislav Jelezoglo, OpenAI Codex Security - Amy Burnett, wwwlk, Tommy DeVoss@@thedawgyg(Braze Security Team), Gurpreet Shergill(Calif), Rhyru9, Merrick Hare, Kwak Kiyong, Song Nuri, Khai Tran, John Lussier, Gurpreet Shergill, Drinor Selmanaj (Sentry), Utkarsh Pal, Ignacio Sanmillan@@ulexec, Using GLM(Z), stratan@@5tratan(Almamater Technologies), Soyeon Park(DEVCORE Research Team), Amy Burnett(DEVCORE Research Team), Khai Tran(DEVCORE Research Team), sherkito(DEVCORE Research Team), Kota Toda(DEVCORE Research Team), HexRabbit@@h3xr4bb1t(DEVCORE Research Team), NiNi@@terrynini38514(DEVCORE Research Team), Brian Carpenter, Janggoon Lee(Out of Bounds), Josef Korbel, Josef Korbel (Citadelo)(Cisco Talos), Claudio Bozzato(Cisco Talos), Francesco Benvenuto(Cisco Talos), Niels Hofmans, Thomas Guillem, Charles Kern, Shubham Chaskar, Seonwook Kim, lattice, Henock Habte, Hossein Lotfi@@hosselot(TrendAI Zero Day Initiative), Jonathan Alush-Aben, Utkarsh Pal(Talence Security), Narendra Singh@@_3P1C(Calif), Josef Korbel (Citadelo)(Calif), Юлия Мерцалова, Dung Do@@_piers2(Calif), Muhamad Syaiful, Behzad Najjarpour Jabbari@@_G4ru_, Christian Meurer Xavier, Aaron Grattafiori - NVIDIA AI Red Team, 杉山 壮太, Josef Korbel(Calif), Mohit Negi, Nan Wang@@eternalsakura13, CVE-2026-28979, Shaheen Fazim, Mathis Mansière, Stuart Wallace, Seonung Park, ALTV!ST (altvi.st/), Xint Code, Franco Belman at Blackwing Intelligence, Dun, Rodolphe Brunetti@@eisw0lf(Lupus Nova), Daniel Febrero, Daniel Williams, Arni Hardarson (Neonix Security), ret2happy, Rahul Raj, James Duffy@@0x4A616D657344, CVE-2026-3784, CVE-2026-3783, Huỳnh Tấn Ngàn, Manuel Fernandez (Stackhopper Security), Stanislav Jelezoglo(Positive Technologies), Ilya Andr (andrd3v)(Positive Technologies), Redon Gashi, Geonha Lee@@leegn4a, Seiji Sakurai@@HeapSmasher, hxr1(STAR Labs SG Pte), Hiroki Imai (LAC Co.(STAR Labs SG Pte), Ltd.)(STAR Labs SG Pte), Ashish Kunwar(MurphySec), f0r(MurphySec), Mahmoud Abdelmoniem(ThreatBook), Feng Xue(ThreatBook), XGPT(ThreatBook), Nicolas Rabrenovic, Lyutoon, Hiroki Imai (LAC Co., Ltd.), Fábio Luís@@scanpt, DARKNAVY@@DarkNavyOrg, Gor Aleksanyan, Michal Kosiorek, Eddy Tsalolikhin, Asjid Kalam@@odinshell, Hyunwoo Kim@@v4bel, Hyunwoo Kim@@v4bel(ThreatBook), Lukas Gerlach, Wang Yu(STAR Labs SG Pte), Ernesto Martínez García, Calif Research, Ji'an Zhou, Mingxuan Yang, Ye Zhang, Ye Zhang@@VAR10CK(Baidu Security), Vladislav Shevchenko (Positive Technologies)(STAR Labs SG Pte), Pasquale Scola(STAR Labs SG Pte), CVE-2026-4424, Robert Mindo, Daisuke Hatakeyama Research)@@SYZD, Peter Malone(cyberplanet), Nicolas Rabrenovic(cyberplanet), Irvin Wang(cyberplanet), Rishabh Jain (rjcyber)(cyberplanet), Jorge Welch@@jorgwelch, 이재영(Appknox), Vinay Kumar Rasala (Xplo8E)(Appknox), Arash Ale Ebrahim(SCy), Narendra Singh@@_3P1C, Vamshi Paili, Tony Gorez for Reverse Society@@tonygo_

Affected Software

13 affected componentsFixes available
Apple Safari<26.5
26.5
Apple iOS<26.5
26.5
Apple iPadOS<26.5
26.5
Apple macOS Tahoe<26.5
26.5
Apple tvOS<26.5
26.5
Apple WatchOS<26.5
26.5
Apple visionOS<26.5
26.5
Apple iPadOS<18.7.10
Apple iPhone OS<18.7.10
Apple iOS<18.7.10
18.7.10
Apple iPadOS<18.7.10
18.7.10
debian/webkit2gtk<=2.50.6-1~deb12u2, <=2.50.6-1~deb12u1
2.52.6-1~deb13u12.54.0-1~deb13u32.52.6-12.54.2-2
debian/wpewebkit<=2.38.6-1, <=2.48.3-1
2.54.2-1

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 18.7.10
  3. Upgrade

    Upgrade debian/webkit2gtk to a version that resolves this vulnerability.

    Fixed in 2.52.6-1~deb13u1Fixed in 2.54.0-1~deb13u3Fixed in 2.52.6-1Fixed in 2.54.2-2
  4. Upgrade

    Upgrade debian/wpewebkit to a version that resolves this vulnerability.

    Fixed in 2.54.2-1
  5. Upgrade

    Upgrade Safari to a version that resolves this vulnerability.

    Fixed in 26.5
  6. Upgrade

    Upgrade iOS and iPadOS to a version that resolves this vulnerability.

    Fixed in 18.7.10
  7. Upgrade

    Upgrade iOS and iPadOS to a version that resolves this vulnerability.

    Fixed in 26.5
  8. Upgrade

    Upgrade macOS Tahoe to a version that resolves this vulnerability.

    Fixed in 26.5
  9. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 26.5
  10. Upgrade

    Upgrade visionOS to a version that resolves this vulnerability.

    Fixed in 26.5
  11. Upgrade

    Upgrade watchOS to a version that resolves this vulnerability.

    Fixed in 26.5

Event History

May 11, 2026
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Aug 17, 2026
CVE Published
via MITRE·09:30 PM
Data Sourced
via MITRE·09:30 PM
DescriptionWeakness
Data Sourced
via NVD·10:17 PM
DescriptionSeverityWeaknessAffected Software
Aug 20, 2026
Data Sourced
via Red Hat·01:49 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Which Apple platforms are identified as affected?

The affected software listed for this record is Apple iOS and Apple iPadOS. No affected version ranges or fixed version numbers are provided.

2

What types of components and weakness classes are involved?

The advisory describes multiple issue classes, including buffer overflows, out-of-bounds reads and writes, memory corruption, race conditions, authorization and permissions issues, and input-validation weaknesses. Named components include AirDrop, APFS, AppleDouble, Audio, AVEVideoEncoder, BackgroundAssets, Books, Contacts, CoreAudio, CoreMedia, and CoreUI.

Company

Resources

Contact

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