CVE-2026-28826: Use After Free

Published Mar 24, 2026
·
Updated

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

Other sources

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. A malicious app may be able to break out of its sandbox.

— NVD

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

— Apple

Admin Framework. A path handling issue was addressed with improved validation.

— Apple

apache. This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org.

— Apple

AppleKeyStore. A use after free issue was addressed with improved memory management.

— Apple

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), Amy (amys.website), @@cloudlldb, Kirin@@Pwnrin, Chunyu Song(NorthSea), Johnny Franks (zeroxjf)

Affected Software

4 affected componentsFixes available
Apple macOS>=26.0<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

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 26.4
  2. Upgrade

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

    Fixed in 15.7.5
  3. Upgrade

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

    Fixed in 14.8.5
  4. Upgrade

    Upgrade macOS Sequoia to a version that resolves this vulnerability.

    Fixed in 15.7.5
  5. Upgrade

    Upgrade macOS Sonoma to a version that resolves this vulnerability.

    Fixed in 14.8.5
  6. Upgrade

    Upgrade macOS Tahoe to a version that resolves this vulnerability.

    Fixed in 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
Description
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
Updated
via Apple·12:00 AM
Affected Software
Mar 25, 2026
CVE Published
via MITRE·12:31 AM
Data Sourced
via MITRE·12:31 AM
DescriptionWeakness
Data Sourced
via NVD·01:17 AM
DescriptionSeverityAffected 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-2026-28826?

CVE-2026-28826 has been classified as a high severity vulnerability due to potential unauthorized access and sandbox escape.

2

How do I fix CVE-2026-28826?

To fix CVE-2026-28826, update your macOS Tahoe to version 26.4 or later.

3

What systems are affected by CVE-2026-28826?

CVE-2026-28826 affects Apple macOS Tahoe versions prior to 26.4.

4

What kind of issue is CVE-2026-28826?

CVE-2026-28826 involves an authentication issue that can lead to sandbox breakouts and improper state management.

5

Is there a workaround for CVE-2026-28826?

There are no official workarounds for CVE-2026-28826; applying the patch in version 26.4 is recommended.

Company

Resources

Contact

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