CVE-2026-28964: 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

An inconsistent user interface issue was addressed with improved state management. This issue is fixed in iOS 26.5 and iPadOS 26.5, visionOS 26.5. An app may be able to access sensitive user data.

— NVD

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

Seiji Sakurai@@HeapSmasher, Asaf Cohen, 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, Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), Niels Hofmans(TrendAI Zero Day Initiative), Anonymous(TrendAI Zero Day Initiative), Alex Radocea, Suresh Sundaram, Jiri Ha, Arni Hardarson, Johnny Franks@@zeroxjf, Mihalis Haatainen, Ari Hawking, Ashish Kunwar, Vaagn Vardanian, Nathaniel Oh@@calysteon, 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, Ryan Hileman via Xint Code (xint.io), Ruslan Dautov, Anton Pakhunov, Ricardo Prado, Ian van der Wurff (ian.nl), Michael DePlante@@izobashi(TrendAI Zero Day Initiative), Ilya Sc. Jowell A., Peter Malone, Doron Assness, Andy Koo@@andykoo(Hexens), Adriatik Raci, 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), 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), Aisle offensive security research team (Joshua Rogers(Calif), Luigino Camastra(Calif), Igor Morgenstern(Calif), (Calif), Guido Vranken)(Calif), Maher Azzouzi(Calif), Ngan Nguyen(Calif), Khiem Tran, Milad Nasr, Nicholas Carlini with Claude, Anthropic, dr3dd, Kenneth Hsu(Palo Alto Networks), Jérôme DJOUDER, Brendon Tiszka(Google Project Zero), an anonymous researcher, Google Threat Analysis Group, Somair Ansar, Csaba Fitzl@@theevilbit(Iru), Chris Betz(Talence Security), Dhiyanesh Selvaraj@@redroot97, Atul R V, Omar Cerrito, Jorge Welch, Abhay Kailasia@@abhay_kailasia(Safran Mumbai India)

Affected Software

6 affected componentsFixes available
Apple visionOS<26.5
26.5
Apple iOS<26.5
26.5
Apple iPadOS<26.5
26.5
Apple iPadOS<26.5
Apple iPhone OS<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
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Affected 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

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-28964?

The severity of CVE-2026-28964 is classified as high due to the potential for out-of-bounds read and permissions issues.

2

How do I fix CVE-2026-28964?

To fix CVE-2026-28964, update to the latest versions of iOS 26.5, iPadOS 26.5, or visionOS 26.5.

3

What products are affected by CVE-2026-28964?

CVE-2026-28964 affects Apple iOS, iPadOS, and visionOS prior to version 26.5.

4

What types of issues does CVE-2026-28964 address?

CVE-2026-28964 addresses out-of-bounds read, permissions issues, and inconsistent user interface problems.

5

Is a system restart required after resolving CVE-2026-28964?

Typically, a system restart is not required after installing updates for CVE-2026-28964, but it may be beneficial to ensure all changes take effect.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203