CVE-2026-28938: Use After Free
Published Jul 27, 2026
·Updated
A privacy issue was addressed by moving sensitive data. This issue is fixed in iOS 26.6 and iPadOS 26.6. An app may be able to fingerprint the user.
Other sources
Accessibility. This issue was addressed through improved state management.
— Apple
Accounts Framework. This issue was addressed with improved data protection.
— Apple
App Store. This issue was addressed with improved checks.
— Apple
Apple Account. An authorization issue was addressed with improved state management.
— Apple
Apple Neural Engine. A use after free issue was addressed with improved memory management.
— Apple
Credit
Jorge Welch@@jorgwelch, Rosyna Keller(Totally Not Malicious Software), Rahul Raj, 章鱼哥.com@@aipyaipy, Chris Bailey - Short Circuit, N.M.Praveen Nawarathne@@zblockrat, Stuart Wallace, Dun, Vladislav Shevchenko (Positive Technologies), an anonymous researcher, tamdao, Franco Belman at Blackwing Intelligence, Irvin Wang(cyberplanet), Peter Malone(cyberplanet), Nicolas Rabrenovic(cyberplanet), Rishabh Jain (rjcyber)(cyberplanet), Seonung Park, ALTV!ST (altvi.st/), David Strnadel, YingQi Shi@@Mas0nShi(DBAppSecurity's WeBin lab), Rodolphe Brunetti@@eisw0lf(Lupus Nova), Anton Pakhunov, Rodolphe BRUNETTI@@eisw0lf(Lupus Nova), Daniel Febrero, Daniel Williams, Arni Hardarson (Neonix Security), Anonymous(TrendAI Zero Day Initiative), ret2happy, Mathis Mansière, James Duffy@@0x4A616D657344, Nathaniel Oh@@calysteon, CVE-2026-3784, CVE-2026-3783, Niels Hofmans, Huỳnh Tấn Ngàn, Manuel Fernandez (Stackhopper Security), Ilya Andr (andrd3v)(Positive Technologies), Stanislav Jelezoglo, Redon Gashi, Surya Kushwaha, Peter Malone, Dave G., Michael DePlante@@izobashi(TrendAI Zero Day Initiative), Arni Hardarson, Jonathan Alush-Aben, 진규정 (Gyujeong Jin, @@G1uN4sh, PETOWORKS의 Bugeun Choi@@Bugeun, Geonha Lee@@leegn4a, 이재영, Billy Jheng Bing Jhong(STAR Labs SG Pte), Pan Zhenpeng@@Peterpan0927(STAR Labs SG Pte), Ashish Kunwar, Hiroki Imai (LAC Co., Ltd.), hxr1, Ashish Kunwar(MurphySec), f0r(MurphySec), Feng Xue(ThreatBook), XGPT(ThreatBook), Mahmoud Abdelmoniem, Wang Yu, Lyutoon, DARKNAVY@@DarkNavyOrg, Fábio Luís@@scanpt, Nicolas Rabrenovic, Pasquale Scola(STAR Labs SG Pte), Gor Aleksanyan, impost0r (ret2plt)(Appknox), Ruslan Dautov(Appknox), Aleksandr Tarasikov(Appknox), jay(Appknox), Dhiyanesh Selvaraj@@redroot97(Appknox), Vinay Kumar Rasala (Xplo8E)(Appknox), Lyutoon(STAR Labs SG Pte), DongJun Kim (smlijun) with UIUC(STAR Labs SG Pte), Hwiwon Lee (hwiwonl) with UIUC(STAR Labs SG Pte), Jongseong Kim (nevul37) with UIUC(STAR Labs SG Pte), Younggi Park (grill66) with UIUC(STAR Labs SG Pte), Peter Malone(STAR Labs SG Pte), an anonymous researcher(STAR Labs SG Pte), Hari Shanmugam (The Hxr1)(STAR Labs SG Pte), Marco Grassi, Daniele Castronovo, Michal Kosiorek, Josh Maine(Calif), Ruslan Dautov(Baidu Security), 재영 정(Baidu Security), (Rao Ali Nawaz)@@rootxran(Baidu Security), Chanwit Muenprakoddee (ChemIndy)(Baidu Security), an anonymous researcher(Baidu Security), Ye Zhang@@VAR10CK(Baidu Security), Franco Belman at Blackwing Intelligence(Calif), Christian Figueroa(Calif), Johnny Franks@@0xjohnny(Calif), Ashmit Sharma & Atul RV(Calif), Peter Malone(Calif), Muhamad Syaiful(Calif), Muneeb Amin Bhat(Calif), Dhiyanesh Selvaraj@@redroot97(Calif), Ali Marzouq(Calif), Bountyy Oy - Mihalis Haatainen(Calif), Huy Nguyen@@34306(Calif), Eddy Tsalolikhin, beist(ASU SEFCOM), Adam Doupé(ASU SEFCOM), Dun(STAR Labs SG Pte), Johnny Franks@@0xjohnny, Somair Ansar(Calif), Asjid Kalam@@odinshell, Abhijeet Singh (linkedin.com/in/abhiunix/), Omar Cerrito, Ryan Hileman via Xint Code (xint.io), Jian Zhou, Ye Zhang, Lukas Gerlach, YingMuo@@YingMuo(DEVCORE Research Team), Tristan Rousseau, Dun(DARKNAVY), deepsec@@DarkNavyOrg(DARKNAVY), CVE-2026-4424, Daisuke Hatakeyama Research)@@SYZD, Richard Zana(Nosebeard Labs), Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), stratan@@5tratan, wh0am1i, Koh M. Nakagawa@@tsunek0h(FFRI Security Inc), Francisco Knabe, 彦辰, Nik Tsytsarkin, RedRays Security Team, Morris Richman@@morrisinlife, Asaf Cohen, Gongyu Ma@@Mezone0, Kwak Kiyong, Song Nuri, Kagami Rosylight(Mozilla), Luke Francis(Z), Francisco Alonso@@revskills(Z), Shubham Chaskar(Z), Jiyong Yang@@Sy2n0(Z), 杉山 壮太(Z), lattice(Z), Behzad Najjarpour Jabbari@@_G4ru_(Z), Junyeong Lee(Z), Mooth.ai(Z), OGINOME Tomohito(Z), Using GLM(Z), Gia Bui@@yabeow(Calif), Milad Nasr, Nicholas Carlini with Claude, Anthropic, Heiko Kiesel(SEEMOO), TU Darmstadt, Brian Carpenter, OGINOME Tomohito, Shaheen Fazim
Affected Software
6 affected componentsFixes available
iOS=26.6
iPadOS=26.6
Apple iOS<26.6
26.6
Apple iPadOS<26.6
26.6
Apple iPadOS<26.6
Apple iPhone OS<26.6
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 26.6
Event History
Jul 27, 2026
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Sep 14, 2026
CVE Published
via MITRE·08:47 PM
Data Sourced
via MITRE·08:47 PM
DescriptionWeakness
Data Sourced
via NVD·09:17 PM
DescriptionSeverityWeaknessAffected Software
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-64732
- CVE-2026-64733
- CVE-2026-43801
- CVE-2026-65353
- CVE-2026-28928
- CVE-2026-43748
- CVE-2026-65407
- CVE-2026-43776
- CVE-2026-64725
- CVE-2026-43730
- CVE-2026-64747
- CVE-2026-64707
- CVE-2026-43811
- CVE-2026-43813
- CVE-2026-64746
- CVE-2026-64734
- CVE-2026-43797
- CVE-2026-43673
- CVE-2026-43744
- CVE-2026-43803
- CVE-2026-43711
- CVE-2026-43702
- CVE-2026-3784
- CVE-2026-3783
- CVE-2026-43753
- CVE-2026-43714
- CVE-2026-64742
- CVE-2026-64740
- CVE-2026-43796
- CVE-2026-64692
- CVE-2026-64705
- CVE-2026-43780
- CVE-2026-43818
- CVE-2026-64716
- CVE-2026-64758
- CVE-2026-64754
- CVE-2026-64693
- CVE-2026-43805
- CVE-2026-64749
- CVE-2026-43778
- CVE-2026-64709
- CVE-2026-64735
- CVE-2026-43739
- CVE-2026-43816
- CVE-2026-43822
- CVE-2026-64729
- CVE-2026-43814
- CVE-2026-64700
- CVE-2026-43799
- CVE-2026-28931
- CVE-2026-43817
- CVE-2026-43769
- CVE-2026-43810
- CVE-2026-64775
- CVE-2026-64720
- CVE-2026-64751
- CVE-2026-64721
- CVE-2026-65357
- CVE-2026-65371
- CVE-2026-43808
- CVE-2026-64717
- CVE-2026-4424
- CVE-2026-28973
- CVE-2026-64739
- CVE-2026-64743
- CVE-2026-64724
- CVE-2026-43723
- CVE-2026-43733
- CVE-2026-43729
- CVE-2026-64772
- CVE-2026-64771
- CVE-2026-64722
- CVE-2026-64774
- CVE-2026-64770
- CVE-2026-64769
- CVE-2026-64768
- CVE-2026-64711
- CVE-2026-43812
- CVE-2026-64741
- CVE-2026-64766
- CVE-2026-64765
- CVE-2026-64764
- CVE-2026-64763
- CVE-2026-43762
- CVE-2026-43800
- CVE-2026-28938
- CVE-2026-64713
- CVE-2026-64730
- CVE-2026-64728
- CVE-2026-64783
- CVE-2026-64757
- CVE-2026-43804
- CVE-2026-43821
- CVE-2026-64718
- CVE-2026-64719
- CVE-2026-64726
- CVE-2026-64755
Frequently Asked Questions
1
Which devices are affected?
Devices running iOS or iPadOS before version 26.6 are affected. The issue is fixed in iOS 26.6 and iPadOS 26.6.
2
What could a malicious app do?
An app may be able to fingerprint the user, creating a privacy risk. The provided information does not indicate that the app requires any particular permissions or user interaction.