CVE-2026-28953: Buffer Overflow

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, Rosyna Keller(Totally Not Malicious Software), Alvin Aries Tapia, XiguaSec, Google Threat Analysis Group, Robert Tran(STAR Labs SG Pte), Chris Betz, Ilya Andr (andrd3v)(Voynich Group), Ilias Morad (A2nkF)(Voynich Group), Duy Trần@@khanhduytran0, @@hugeBlack, Guy Dor, Daniel Rhea(TrendAI Zero Day Initiative), Somair Ansar, Kun Peeks@@SwayZGl1tZyyy, Aswin Kumar Gokula Kannan, wdszzml, Atuin Automated Vulnerability Discovery Engine

Affected Software

17 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 tvOS<26.5
26.5
Apple WatchOS<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>=26.0<26.5
Apple tvOS<26.5
Apple visionOS<26.5
Apple WatchOS<26.5
Apple Safari<26.5
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·08:07 PM
Data Sourced
via MITRE·08:07 PM
DescriptionWeakness
Data Sourced
via NVD·09:18 PM
DescriptionSeverityWeaknessAffected Software
May 13, 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.

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Frequently Asked Questions

1

What is the severity of CVE-2026-28953?

CVE-2026-28953 has a high severity rating due to its potential impact on system integrity and confidentiality.

2

How do I fix CVE-2026-28953?

To fix CVE-2026-28953, update your affected Apple products to version 26.5 or later.

3

Which products are affected by CVE-2026-28953?

CVE-2026-28953 affects macOS Tahoe, iOS, iPadOS, visionOS, tvOS, watchOS, and Safari versions up to 26.5.

4

Are my devices at risk if they are using versions below 26.5 due to CVE-2026-28953?

Yes, devices using versions below 26.5 are at risk from CVE-2026-28953 and should be updated immediately.

5

What types of issues does CVE-2026-28953 address?

CVE-2026-28953 addresses an out-of-bounds read, a permissions issue, an authorization issue, and a buffer overflow.

Company

Resources

Contact

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