CVE-2026-28940: Apple macOS USD File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Published May 11, 2026
·Updated
Accelerate. An out-of-bounds read was addressed with improved bounds checking.
Other sources
Accounts. A permissions issue was addressed with additional restrictions.
— Apple
Accounts. An authorization issue was addressed with improved state management.
— Apple
APFS. A buffer overflow was addressed with improved bounds checking.
— Apple
App Intents. A logic issue was addressed with improved restrictions.
— Apple
AppleJPEG. A memory corruption issue was addressed with improved input validation.
— Apple
Credit
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), Dhiyanesh Selvaraj@@redroot97, Ruslan Dautov, Atul R V, Omar Cerrito, Anton Pakhunov, Ricardo Prado, Ian van der Wurff (ian.nl), Michael DePlante@@izobashi(TrendAI Zero Day Initiative), Dan Raviv, Ilya Sc. Jowell A., Peter Malone, Asaf Cohen, Doron Assness, Peter Malone(Supernetworks), Dave G.(Supernetworks), Alex Radocea(Supernetworks), Pan ZhenPeng@@Peterpan0927(STAR Labs SG Pte), Andy Koo@@andykoo(Hexens), Alex Radocea, Amy (amys.website), Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), YingQi Shi@@Mas0nShi(DBAppSecurity's WeBin lab), an anonymous researcher, David Ige - Beryllium Security, Cantina, Luke Francis, kwak kiyong / kakaogames, Vitaly Simonovich, Adel Bouachraoui, greenbynox, Do Young Park, Yuhao Hu, Yuanming Lai, Chenggang Wu, Zhe Wang, 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, 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, Kenneth Hsu(Palo Alto Networks), Jérôme DJOUDER, Wang Yu, Brendon Tiszka(Google Project Zero), Jorge Welch, Adriatik Raci, Abhay Kailasia@@abhay_kailasia(Safran Mumbai India), Seiji Sakurai@@HeapSmasher, Dave G., Vamshi Paili, Tony Gorez for Reverse Society@@tonygo_, CVE-2026-1837, impost0r (ret2plt), David Ige(Beryllium Security), Alan Wang, Christopher W. Fletcher, Hovav Shacham, David Kohlbrenner, Riccardo Paccagnella, Niels Hofmans(TrendAI Zero Day Initiative), Suresh Sundaram, Jiri Ha, Arni Hardarson, Johnny Franks@@zeroxjf, Mihalis Haatainen, Ari Hawking, Ashish Kunwar, Zhongcheng Li(IES Red Team), Kun Peeks@@SwayZGl1tZyyy, Aswin Kumar Gokula Kannan, wdszzml, Atuin Automated Vulnerability Discovery Engine, Google Threat Analysis Group, Robert Tran(STAR Labs SG Pte), Chris Betz, Morris Richman@@morrisinlife, Andrei Dodu, Rosyna Keller(Totally Not Malicious Software), Alvin Aries Tapia, XiguaSec, Ilya Andr (andrd3v)(Voynich Group), Ilias Morad (A2nkF)(Voynich Group), Duy Trần@@khanhduytran0, @@hugeBlack, Guy Dor, Daniel Rhea(TrendAI Zero Day Initiative), Somair Ansar
Affected Software
16 affected componentsFixes available
Apple macOS Tahoe<26.5
26.5
Apple iOS<26.5
26.5
Apple iPadOS<26.5
26.5
Apple visionOS<26.5
26.5
Apple macOS Sequoia<15.7.7
15.7.7
Apple tvOS<26.5
26.5
Apple iOS<18.7.9
18.7.9
Apple iPadOS<18.7.9
18.7.9
Apple iPadOS<18.7.9
Apple iPadOS>=26.0<26.5
Apple iPhone OS<18.7.9
Apple iPhone OS>=26.0<26.5
Apple macOS>=15.0<15.7.7
Apple macOS>=26.0<26.5
Apple tvOS<26.5
Apple visionOS<26.5
Event History
May 11, 2026
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
Affected Software
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
CVE Published
via MITRE·08:08 PM
Data Sourced
via MITRE·08:08 PM
DescriptionWeakness
Data Sourced
via NVD·09:18 PM
DescriptionSeverityWeaknessAffected Software
Jun 3, 2026
Advisory Published
via ZDI·01:59 PM
Data Sourced
via ZDI·01:59 PM
DescriptionAffected Software
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-28991
- CVE-2026-28988
- CVE-2026-28959
- CVE-2026-28995
- CVE-2026-1837
- CVE-2026-28956
- CVE-2026-39869
- CVE-2026-28922
- CVE-2026-28936
- CVE-2026-28918
- CVE-2026-28915
- CVE-2026-43659
- CVE-2026-28923
- CVE-2026-28925
- CVE-2026-43661
- CVE-2026-28977
- CVE-2026-28990
- CVE-2026-28978
- CVE-2026-28992
- CVE-2026-28943
- CVE-2026-28969
- CVE-2026-43655
- CVE-2026-43654
- CVE-2026-28908
- CVE-2026-28954
- CVE-2026-28897
- CVE-2026-28952
- CVE-2026-28951
- CVE-2026-28972
- CVE-2026-28986
- CVE-2026-28987
- CVE-2026-28983
- CVE-2026-28929
- CVE-2026-43653
- CVE-2026-28985
- CVE-2026-43668
- CVE-2026-43666
- CVE-2026-28941
- CVE-2026-28940
- CVE-2026-28961
- CVE-2026-28906
- CVE-2026-43656
- CVE-2026-43652
- CVE-2026-39870
- CVE-2026-28846
- CVE-2026-28993
- CVE-2026-28848
- CVE-2026-28930
- CVE-2026-28974
- CVE-2026-28996
- CVE-2026-28919
- CVE-2026-28924
- CVE-2026-39871
- CVE-2026-28976
- CVE-2026-43660
- CVE-2026-28907
- CVE-2026-28962
- CVE-2026-43658
- CVE-2026-28905
- CVE-2026-28847
- CVE-2026-28904
- CVE-2026-28955
- CVE-2026-28903
- CVE-2026-28953
- CVE-2026-28902
- CVE-2026-28901
- CVE-2026-28913
- CVE-2026-28883
- CVE-2026-28958
- CVE-2026-28917
- CVE-2026-28947
- CVE-2026-28946
- CVE-2026-28942
- CVE-2026-28971
- CVE-2026-28944
- CVE-2026-28819
- CVE-2026-28994
- CVE-2026-28914
- CVE-2026-28920
- CVE-2026-28964
- CVE-2026-28963
- CVE-2026-28957
- CVE-2026-28965
- CVE-2026-28878
- CVE-2025-43524
- CVE-2026-28840
- CVE-2026-28877
- CVE-2026-28872
- CVE-2026-28894
- CVE-2026-28870
- CVE-2026-28882
- CVE-2026-28873
Frequently Asked Questions
1
What is the severity of CVE-2026-28940?
CVE-2026-28940 has a high severity rating due to the potential for out-of-bounds read and buffer overflow vulnerabilities.
2
How do I fix CVE-2026-28940?
To fix CVE-2026-28940, ensure that you update to the latest versions of affected Apple operating systems, as specified in the vulnerability advisory.
3
Which products are affected by CVE-2026-28940?
CVE-2026-28940 affects various Apple products including macOS Tahoe, iOS, iPadOS, tvOS, visionOS, and macOS Sequoia.
4
What types of vulnerabilities are addressed in CVE-2026-28940?
CVE-2026-28940 addresses multiple vulnerabilities including out-of-bounds reads, buffer overflows, and permission issues.
5
Is there a workaround for CVE-2026-28940?
Currently, there are no known workarounds for CVE-2026-28940; updating the software is the recommended course of action.