CVE-2026-28877: Infoleak

Published Mar 24, 2026
·
Updated

802.1X. An authentication issue was addressed with improved state management.

Other sources

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

— Apple

An authorization issue was addressed with improved state management. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, visionOS 26.4, watchOS 26.4. An app may be able to access sensitive user data.

— NVD

Credit

Rosyna Keller(Totally Not Malicious Software), Ryan Dowd@@_rdowd, CVE-2025-55753, CVE-2025-58098, CVE-2025-59775, CVE-2025-65082, CVE-2025-66200, Mickey Jin@@patch1t, an anonymous researcher, Koh M. Nakagawa@@tsunek0h(FFRI Security Inc), Talal Haj Bakry(Mysk Inc), Tommy Mysk@@mysk_co(Mysk Inc), Zhongquan Li@@Guluisacat, Justin Cohen(Google), Jex Amro, Cristian Dinca (icmd.tech), Hossein Lotfi@@hosselot(TrendAI Zero Day Initiative), YingQi Shi@@Mas0nShi(DBAppSecurity's WeBin lab), Mustafa Calap@@ordinal0, dbg.re), Etienne Charron (Renault), Victoria Martini (Renault), Zhongcheng Li(IES Red Team), Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), Asaf Cohen, CVE-2025-14524, 风沐云烟@@binary_fmyy, Minghao Lin@@Y1nKoc, Jonathan Bar Or@@yo_yo_yo_jbo, DARKNAVY@@DarkNavyOrg, XiguaSec, Ye Zhang(Baidu Security), Ryan Dowd@@_rdowd(Iru), Csaba Fitzl@@theevilbit(Iru), CVE-2025-64505, Joseph Ravichandran@@0xjprx(MIT CSAIL), Gor Aleksanyan(BoB 0xB6), Dhiyanesh Selvaraj@@redroot97(BoB 0xB6), 이동하 (Lee Dong Ha(BoB 0xB6), Jian Lee@@speedyfriend433, hari shanmugam, Johnny Franks@@0xjohnny, Yuebin Sun@@yuebinsun2020(SecuRing), an anonymous researcher(SecuRing), Nathaniel Oh@@calysteon(SecuRing), Kirin@@Pwnrin(SecuRing), Wojciech Regula(SecuRing), Joshua Jewett@@JoshJewett33, Ilya Andr (andrd3v)(RTU MIREA), Ilias Morad (A2nkF)(Voynich Group), Duy Trần@@khanhduytran0, @@hugeBlack, Himanshu Bharti@@Xpl0itme(Khatima), Rodolphe Brunetti@@eisw0lf(Lupus Nova), Matej Moravec@@MacejkoMoravec, Dawuge(Shuffle Team), Hunan University, Gergely Kalman@@gergely_kalman, Andrei Dodu, Morris Richman@@morrisinlife, Kun Peeks@@SwayZGl1tZyyy, Dave G., Gyujeong Jin at Team.0xb6@@G1uN4sh, wdszzml, Atuin Automated Vulnerability Discovery Engine, Alex Radocea, Christian Kohlschütter, Sreejith Krishnan R, @@pixiepointsec, Luke Roberts@@rookuu, Pedro Tôrres@@t0rr3sp3dr0, Caspian Tarafdar, Andrew Becker, webb, Thomas Espach, @@hamayanhamayan, Yeonghyeon Choi, Daniel Rhea, Söhnke Benedikt Fischedick (Tripton), Emrovsky & Switch3301, Yevhen Pervushyn, Minse Kim, Narcis Oliveras Fontàs, Nathaniel Oh@@calysteon, Hongze Wu(Ant Group Infrastructure Security Team), Shuaike Dong(Ant Group Infrastructure Security Team), greenbynox, Arni Hardarson, Gongyu Ma@@Mezone0, Héloïse Gollier, Mathy Vanhoef (KU Leuven), Adrián Pérez Martínez, Uluk Abylbekov, Zack Tickman, Hazem Issa, Tuan D. Hoang, Yongdae Kim @ SysSec, KAIST, Yongdae Kim @ KAIST SysSec Lab, Alvin Aries Tapia, Guy Dor, Johnny Franks (zeroxjf), Amy (amys.website), @@cloudlldb, Kirin@@Pwnrin, Chunyu Song(NorthSea), Dalibor Milanovic, Vamshi Paili, Tony Gorez for Reverse Society@@tonygo_, David Ige(Beryllium Security), Suresh Sundaram, Google Threat Analysis Group, Mihalis Haatainen, Ari Hawking, Ashish Kunwar, Vaagn Vardanian, Yiğit Can YILMAZ@@yilmazcanyigit, Robert Tran(STAR Labs SG Pte), popku1337(STAR Labs SG Pte), Billy Jheng Bing Jhong(STAR Labs SG Pte), Pan Zhenpeng@@Peterpan0927(STAR Labs SG Pte), Aswin kumar Gokulakannan, Calif.io in collaboration with Claude, Anthropic Research, Ryan Hileman via Xint Code (xint.io), Tristan Madani@@TristanInSec(Talence Security), Chris Betz, Dhiyanesh Selvaraj@@redroot97, Ruslan Dautov, Atul R V, Ricardo Prado, Anton Pakhunov, Ian van der Wurff (ian.nl), Michael DePlante@@izobashi(TrendAI Zero Day Initiative), Ilya Sc. Jowell A., Peter Malone, Doron Assness, Adriatik Raci, Cantina, Idan Masas(TrendAI Zero Day Initiative), DARKNAVY@@DarkNavyOrg(TrendAI Zero Day Initiative), Anonymous(TrendAI Zero Day Initiative), Luka Rački, Mateusz Krzywicki (iVerify.io), wac(TrendAI Zero Day Initiative), Kookhwan Lee(TrendAI Zero Day Initiative), Maher Azzouzi, Vitaly Simonovich, Luke Francis, kwak kiyong / kakaogames, Adel Bouachraoui, lebr0nli(National Yang Ming Chiao Tung University), Security, Systems Lab, Wang Yu, Brendon Tiszka(Google Project Zero)

Affected Software

15 affected componentsFixes available
Apple iOS<18.7.9
18.7.9
Apple iPadOS<18.7.9
18.7.9
Apple iPadOS<26.4
Apple iPhone OS<26.4
Apple macOS>=15.0<15.7.5
Apple macOS>=26.0<26.4
Apple visionOS<26.4
Apple WatchOS<26.4
Apple iOS<26.4
26.4
Apple iPadOS<26.4
26.4
Apple macOS Sequoia<15.7.5
15.7.5
Apple macOS Sonoma<14.8.5
14.8.5
Apple macOS Tahoe<26.4
26.4
Apple WatchOS<26.4
26.4
Apple visionOS<26.4
26.4

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 18.7.9
  2. Upgrade

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

    Fixed in 26.4
  3. Upgrade

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

    Fixed in 15.7.5
  4. Upgrade

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

    Fixed in 14.8.5
  5. Upgrade

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

    Fixed in iOS 18.7.9
  6. Upgrade

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

    Fixed in iPadOS 18.7.9
  7. Upgrade

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

    Fixed in iOS 26.4
  8. Upgrade

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

    Fixed in iPadOS 26.4
  9. Upgrade

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

    Fixed in macOS Sequoia 15.7.5
  10. Upgrade

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

    Fixed in macOS Sonoma 14.8.5
  11. Upgrade

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

    Fixed in macOS Tahoe 26.4
  12. Upgrade

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

    Fixed in visionOS 26.4
  13. Upgrade

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

    Fixed in watchOS 26.4

Event History

Mar 24, 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
Mar 25, 2026
CVE Published
via MITRE·12:32 AM
Data Sourced
via MITRE·12:32 AM
DescriptionWeakness
Data Sourced
via NVD·01:17 AM
DescriptionSeverityWeaknessAffected Software
May 11, 2026
Updated
via Apple·12:00 AM
Affected 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-2026-28877?

CVE-2026-28877 has been classified as a critical vulnerability due to its impact on authentication and authorization.

2

How do I fix CVE-2026-28877?

To mitigate CVE-2026-28877, update your devices to iOS 26.4, iPadOS 26.4, macOS Sequoia 15.7.5, or other affected platforms as specified.

3

What devices are affected by CVE-2026-28877?

CVE-2026-28877 affects devices running iOS, iPadOS, macOS Tahoe, watchOS, and visionOS prior to the specified versions.

4

What types of issues does CVE-2026-28877 address?

CVE-2026-28877 addresses authentication and authorization issues stemming from insufficient state management.

5

Is there a workaround for CVE-2026-28877 before applying the update?

Currently, there are no recommended workarounds for CVE-2026-28877, and users are advised to apply the available updates promptly.

Company

Resources

Contact

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