CVE-2026-43804: Buffer Overflow
Published Jul 27, 2026
·Updated
Accessibility. This issue was addressed through improved state management.
Other sources
Accounts Framework. This issue was addressed with improved data protection.
— Apple
Accounts. A parsing issue in the handling of directory paths was addressed with improved path validation.
— Apple
Accounts. An access issue was addressed with additional sandbox restrictions.
— Apple
afpfs. A buffer overflow was addressed with improved bounds checking.
— 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
Credit
Arni Hardarson, Nathaniel Oh@@calysteon, Kwak Kiyong, Song Nuri, Kagami Rosylight(Mozilla), an anonymous researcher, 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, Mathis Mansière, Peter Malone, Stuart Wallace, Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), CVE-2026-3784, CVE-2026-3783, HvxyZLF, Lance Cain - Offensive Security Engineer, SpecterOps Inc., Hyunwoo Kim@@v4bel, Gil Portnoy & Henry, Anthony Laou Hine Tsuei@@anarcheuz, Ayaan Ahmad, erdene-och Byambabayar, Niels Hofmans, Manuel Fernandez (Stackhopper Security), Ilya Andr (andrd3v)(Positive Technologies), Stanislav Jelezoglo, Somair Ansar(Calif), Josh Maine(Calif), Johnny Franks@@zeroxjf, hxr1, Alexandre Soleiman, Alexander Tarasikov, Ruslan Dautov, Redon Gashi, Trung Nguyen@@everping(CyStack), Dave G., Nicolas Rabrenovic, Atul R V & Ashmit Sharma, Hcamael, 章鱼哥 （aipyaipy.com）@@aipy, Aswin Kumar Gokulakannan, Surya Narayan Kushwaha, Dun, Richard Zana, Cem Onat Karagun, Tristan Madani@@TristanInSec(Talence Security), Michael DePlante@@izobashi(TrendAI Zero Day Initiative), Jonathan Alush-Aben, 진규정 (Gyujeong Jin, @@G1uN4sh, PETOWORKS의 Bugeun Choi@@Bugeun, Rahul Raj, Geonha Lee@@leegn4a, 이재영, Igor Ushakov, Billy Jheng Bing Jhong(STAR Labs SG Pte), Pan Zhenpeng@@Peterpan0927(STAR Labs SG Pte), Ashish Kunwar, Hiroki Imai (LAC Co., Ltd.), Ryan Hileman via Xint Code (xint.io), f0r(MurphySec), Feng Xue(ThreatBook), XGPT(ThreatBook), Mahmoud Abdelmoniem, Wang Yu, Lyutoon, DARKNAVY@@DarkNavyOrg, Fábio Luís@@scanpt, Adam Doupé(ASU SEFCOM), 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, 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@@zeroxjf(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), Dun(STAR Labs SG Pte), Asjid Kalam@@odinshell, Abhijeet Singh (linkedin.com/in/abhiunix/), Omar Cerrito, Wang Yu(STAR Labs SG Pte), Ji'an Zhou, Mingxuan Yang, Ye Zhang, Jian Zhou, Calif Research, Ernesto Martínez García, N.M.Praveen Nawarathne@@zblockrat, Lukas Gerlach, CVE-2026-4424, Amy (amys.website), Daniel Febrero, Robert Mindo, He Wei (ギカク)(aipyaipy), 章鱼哥@@aipy(aipyaipy), Jex Amro, Daisuke Hatakeyama Research)@@SYZD, Richard Zana(Nosebeard Labs), yk lin@@pixiepointsec, stratan@@5tratan, wh0am1i, Robert Tran, Mickey Jin@@patch1t, Koh M. Nakagawa@@tsunek0h(FFRI Security Inc), Matej Moravec@@MacejkoMoravec, Sindre Sorhus, Francisco Knabe, Hcamael(Stripe), 章鱼哥 （aipyaipy.com）@@aipy(Stripe), JC Alvarado(Stripe), Jacob Hazak, @@pixiepointsec, Ilya Andr (andrd3v), Asaf Cohen, Junming C.(Chapoly1305), Alfredo Pesoli@@__rev(Bynar), wdszzml, Atuin Automated Vulnerability Discovery Engine, Bob Gendler(the National Institute of Standards), Technology, Vivek Dhar, ASI (RM) in Border Security Force, FTR HQ BSF Kashmir, Claudio Bozzato(Cisco Talos), Francesco Benvenuto(Cisco Talos), Kitten Food, Calif.io in collaboration with Claude, Anthropic Research, Csaba Fitzl@@theevilbit(Iru), Tien-Chih Lin(CyCraft Technology), Bruce Dang(Calif), Luke Francis(Z), Francisco Alonso@@revskills(Z), Shubham Chaskar(Z), Jiyong Yang@@Sy2n0(Z), Jorge Welch@@jorgwelch, Rosyna Keller(Totally Not Malicious Software), 章鱼哥.com@@aipyaipy, Chris Bailey - Short Circuit, Vladislav Shevchenko (Positive Technologies), 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 Williams, Arni Hardarson (Neonix Security), Anonymous(TrendAI Zero Day Initiative), ret2happy, James Duffy@@0x4A616D657344, Huỳnh Tấn Ngàn, Surya Kushwaha, Ashish Kunwar(MurphySec), Johnny Franks@@0xjohnny(Calif), Johnny Franks@@0xjohnny, YingMuo@@YingMuo(DEVCORE Research Team), Tristan Rousseau, Dun(DARKNAVY), deepsec@@DarkNavyOrg(DARKNAVY), 彦辰, Nik Tsytsarkin, RedRays Security Team, Morris Richman@@morrisinlife, Gongyu Ma@@Mezone0, impost0r (ret2plt), Vladislav Shevchenko (Positive Technologies)(Baidu Security), dr3dd, Gurpreet Shergill, Merrick Hare, Drinor Selmanaj (Sentry), Khai Tran, John Lussier, Rhyru9, Utkarsh Pal(Almamater Technologies), stratan@@5tratan(Almamater Technologies), Josef Korbel (Citadelo)(Talence Security), Narendra Singh@@_3P1C, CVE-2026-43709, Юлия Мерцалова, Tommy DeVoss@@thedawgyg(Braze Security Team), Luke Francis, Soyeon Park, Amy Burnett, Utkarsh Pal, Ignacio Sanmillan@@ulexec, Kwak Kiyong(Talence Security), Song nuri(Talence Security), Jody Ritonga, Muhamad Syaiful, Behzad Najjarpour Jabbari@@_G4ru_, OpenAI Codex Security - Amy Burnett, Aaron Grattafiori - NVIDIA AI Red Team, Vitaly Simonovich, Christian Meurer Xavier, Nan Wang@@eternalsakura13, Mateusz Krzywicki (iVerify.io)(Braze Security Team), dr3dd(Braze Security Team), Josef Korbel, Idan Masas, CVE-2026-28979, Adam Franke(CyStack), Ashish Kunwar(CyStack), Bartlomiej Dmitruk(striga), Stanislaw Strzalkowski(isec), Pinak Oza, Irvin Wang, David Ige - Beryllium Security, lokerxx(Economics), Narendra Singh@@_3P1C(Economics), Lyutoon(Economics), Jordy Zomer@@pwningsystems(Economics), Richard Zana(Economics), Aswin Kumar Gokulakannan(Economics), George Stergiopoulos(Economics), InfoSec lab(Economics), Athens University(Economics), Business, Greece, Pavan Nallamothu, Jared Reyes, Gergely Kalman@@gergely_kalman, Rajdip Dey Sarkar, Kraken Cryptocurrency Exchange(Nosebeard Labs), Matthew Schneider, Dallas Dubs(Nosebeard Labs), Aaron Grattafiori - NVIDIA AI Red Team(Nosebeard Labs), XBreach.ai(Nosebeard Labs), Yongyue WANG AKA Brian.W(OKX security), Roman Zabicki(Nosebeard Labs), Katika Mohaseen(Nosebeard Labs), an anonymous researcher(Nosebeard Labs), Mahmoud Abdelmoniem(DBAppSecurity's WeBin lab), Kujtim Kryeziu(DBAppSecurity's WeBin lab), 이재영(Nosebeard Labs), Ilya Andr (andrd3v)(Nosebeard Labs), beist, Aethel-Systems(Chongqing Telecom), Chanwit Muenprakoddee (ChemIndy)(Chongqing Telecom), 九宫格(Chongqing Telecom), Narcis Oliveras Fontàs, Zachary Neal(Stripe), 章鱼哥 (aipyaipy.com)@@aipy(Stripe), He Wei (ギカク)(Cisco Talos), Tien-Chih Lin
Affected Software
10 affected componentsFixes available
Apple visionOS<26.6
26.6
Apple iOS<26.6
26.6
Apple iPadOS<26.6
26.6
Apple macOS Tahoe<26.6
26.6
Apple Safari<26.6
26.6
Apple Safari<26.6
Apple iPadOS<26.6
Apple iPhone OS<26.6
Apple macOS>=26.0<26.6
Apple visionOS<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
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Affected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
WeaknessAffected Software
CVE Published
via MITRE·08:14 PM
Data Sourced
via MITRE·08:14 PM
DescriptionWeakness
Data Sourced
via NVD·09:17 PM
DescriptionSeverityWeaknessAffected Software
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-64732
- CVE-2026-64733
- CVE-2026-43801
- CVE-2026-28928
- 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-2026-3784
- CVE-2026-3783
- CVE-2026-43753
- CVE-2026-43714
- CVE-2026-64742
- CVE-2026-64740
- CVE-2026-43796
- CVE-2026-64692
- 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-2026-4424
- 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-2026-43800
- CVE-2026-43740
- 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
- CVE-2026-43819
- CVE-2026-43749
- CVE-2026-64767
- CVE-2026-23918
- CVE-2026-64695
- CVE-2026-43781
- CVE-2026-64737
- CVE-2026-43748
- CVE-2026-43681
- CVE-2026-43672
- CVE-2026-43763
- CVE-2026-64702
- CVE-2026-64762
- CVE-2026-64698
- CVE-2026-43756
- CVE-2026-43693
- CVE-2026-43775
- CVE-2026-43759
- CVE-2026-43802
- CVE-2026-64710
- CVE-2026-39875
- CVE-2026-43698
- CVE-2026-43758
- CVE-2026-64708
- CVE-2026-64776
- CVE-2026-64694
- CVE-2026-43747
- CVE-2026-28945
- CVE-2026-43793
- CVE-2026-64691
- CVE-2026-43682
- CVE-2026-28981
- CVE-2026-43773
- CVE-2026-43767
- CVE-2026-43764
- CVE-2026-64697
- CVE-2026-43710
- CVE-2026-43782
- CVE-2026-64744
- CVE-2026-28982
- CVE-2026-43809
- CVE-2026-43757
- CVE-2026-64727
- CVE-2026-64723
- CVE-2026-43754
- CVE-2026-43766
- CVE-2026-64738
- CVE-2026-43806
- CVE-2026-28911
- CVE-2026-43771
- CVE-2026-43772
- CVE-2026-28912
- CVE-2026-43765
- CVE-2026-64731
- CVE-2026-43694
- CVE-2026-39874
- CVE-2026-43792
- CVE-2026-43779
- CVE-2026-43777
- CVE-2026-43760
- CVE-2026-43728
- CVE-2026-43755
- CVE-2026-64745
- CVE-2026-39873
- CVE-2026-64696
- CVE-2026-64704
- CVE-2026-43774
- CVE-2026-43770
- CVE-2026-43768
- CVE-2026-64703
- CVE-2026-64699
- CVE-2026-43750
- CVE-2026-28932
- CVE-2026-65353
- CVE-2026-65407
- CVE-2026-43702
- CVE-2026-64705
- CVE-2026-65357
- CVE-2026-65371
- CVE-2026-43808
- CVE-2026-64717
- CVE-2026-43762
- CVE-2026-28938
- CVE-2026-43724
- CVE-2026-39868
- CVE-2026-43706
- CVE-2026-43703
- CVE-2026-43807
- CVE-2026-43704
- CVE-2026-43735
- CVE-2026-43734
- CVE-2026-43726
- CVE-2026-43709
- CVE-2026-43742
- CVE-2026-43699
- CVE-2026-43727
- CVE-2026-43725
- CVE-2026-43663
- CVE-2026-39872
- CVE-2026-43712
- CVE-2026-43731
- CVE-2026-43715
- CVE-2026-43713
- CVE-2026-43708
- CVE-2026-43707
- CVE-2026-43705
- CVE-2026-43701
- CVE-2026-43745
- CVE-2026-43700
- CVE-2026-43732
- CVE-2026-43676
- CVE-2026-43720
- CVE-2026-43721
- CVE-2026-43718
- CVE-2026-28979
- CVE-2026-43815
- CVE-2026-43761
- CVE-2026-28899
- CVE-2026-64701
- CVE-2026-43783
- CVE-2026-28933
- CVE-2026-84562
- CVE-2026-65375
Frequently Asked Questions
1
What is the severity of CVE-2026-43804?
CVE-2026-43804 has been rated as a high severity vulnerability due to potential exploitation risks.
2
How do I fix CVE-2026-43804?
To fix CVE-2026-43804, update your devices running Apple software to the latest version available.
3
What systems are affected by CVE-2026-43804?
CVE-2026-43804 affects devices running Apple visionOS, iOS, iPadOS, and macOS Tahoe.
4
What types of vulnerabilities are related to CVE-2026-43804?
CVE-2026-43804 encompasses several issues, including buffer overflow, input validation, and path traversal vulnerabilities.
5
What improvements were made to address CVE-2026-43804?
CVE-2026-43804 was addressed through improved state management and data protection measures.