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For our customers’ protection, Apple doesn’t disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security releases page.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
Available for: macOS Tahoe
Impact: An app may be able to cause a denial-of-service
Description: An out-of-bounds read was addressed with improved bounds checking.
CVE-2026-28991: Seiji Sakurai (@HeapSmasher)
Available for: macOS Tahoe
Impact: An app may be able to bypass certain Privacy preferences
Description: A permissions issue was addressed with additional restrictions.
CVE-2026-28988: Asaf Cohen
Available for: macOS Tahoe
Impact: An app may be able to cause unexpected system termination
Description: A buffer overflow was addressed with improved bounds checking.
CVE-2026-28959: Dave G.
Available for: macOS Tahoe
Impact: A malicious app may be able to break out of its sandbox
Description: A logic issue was addressed with improved restrictions.
CVE-2026-28995: Vamshi Paili, Tony Gorez (@tonygo_) for Reverse Society
Available for: macOS Tahoe
Impact: Processing a maliciously crafted image may lead to a denial-of-service
Description: 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.
CVE-2026-1837
Available for: macOS Tahoe
Impact: Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory
Description: A memory corruption issue was addressed with improved input validation.
CVE-2026-28956: impost0r (ret2plt)
Available for: macOS Tahoe
Impact: Processing an audio stream in a maliciously crafted media file may terminate the process
Description: The issue was addressed with improved memory handling.
CVE-2026-39869: David Ige of Beryllium Security
Available for: macOS Tahoe
Impact: An app may be able to access private information
Description: This issue was addressed through improved state management.
CVE-2026-28922: Arni Hardarson
Available for: macOS Tahoe
Impact: Processing a maliciously crafted file may lead to unexpected app termination
Description: The issue was addressed with improved checks.
CVE-2026-28936: Andreas Jaegersberger & Ro Achterberg of Nosebeard Labs
Available for: macOS Tahoe
Impact: Parsing a maliciously crafted file may lead to an unexpected app termination
Description: An out-of-bounds access issue was addressed with improved bounds checking.
CVE-2026-28918: Niels Hofmans, Anonymous working with TrendAI Zero Day Initiative
Available for: macOS Tahoe
Impact: An app may be able to gain root privileges
Description: A parsing issue in the handling of directory paths was addressed with improved path validation.
CVE-2026-28915: Andreas Jaegersberger & Ro Achterberg of Nosebeard Labs
Available for: macOS Tahoe
Impact: An app may be able to access sensitive user data
Description: A race condition was addressed with additional validation.
CVE-2026-43659: Alex Radocea
Available for: macOS Tahoe
Impact: A malicious app may be able to break out of its sandbox
Description: A logging issue was addressed with improved data redaction.
CVE-2026-28923: Kun Peeks (@SwayZGl1tZyyy)
Available for: macOS Tahoe
Impact: An app may be able to cause unexpected system termination or write kernel memory
Description: A buffer overflow was addressed with improved bounds checking.
CVE-2026-28925: Aswin Kumar Gokula Kannan, Dave G.
Available for: macOS Tahoe
Impact: Processing a maliciously crafted image may corrupt process memory
Description: A buffer overflow issue was addressed with improved memory handling.
CVE-2026-43661: an anonymous researcher
Available for: macOS Tahoe
Impact: Processing a maliciously crafted file may lead to unexpected app termination
Description: The issue was addressed with improved bounds checks.
CVE-2026-28977: Suresh Sundaram
Available for: macOS Tahoe
Impact: Processing a maliciously crafted image may corrupt process memory
Description: The issue was addressed with improved memory handling.
CVE-2026-28990: Jiri Ha, Arni Hardarson
Available for: macOS Tahoe
Impact: A malicious app may be able to break out of its sandbox
Description: A permissions issue was addressed with additional restrictions.
CVE-2026-28978: wdszzml and Atuin Automated Vulnerability Discovery Engine
Available for: macOS Tahoe
Impact: An attacker may be able to cause unexpected app termination
Description: A memory corruption vulnerability was addressed with improved locking.
CVE-2026-28992: Johnny Franks (@zeroxjf)
Available for: macOS Tahoe
Impact: An app may be able to determine kernel memory layout
Description: A logging issue was addressed with improved data redaction.
CVE-2026-28943: Google Threat Analysis Group
Available for: macOS Tahoe
Impact: An app may be able to cause unexpected system termination
Description: A use after free issue was addressed with improved memory management.
CVE-2026-28969: Mihalis Haatainen, Ari Hawking, Ashish Kunwar
Available for: macOS Tahoe
Impact: An app may be able to cause unexpected system termination or read kernel memory
Description: An out-of-bounds read was addressed with improved bounds checking.
CVE-2026-43655: Somair Ansar and an anonymous researcher
Available for: macOS Tahoe
Impact: An app may be able to disclose kernel memory
Description: The issue was addressed with improved memory handling.
CVE-2026-43654: Vaagn Vardanian, Nathaniel Oh (@calysteon)
Available for: macOS Tahoe
Impact: An app may be able to modify protected parts of the file system
Description: A denial of service issue was addressed by removing the vulnerable code.
CVE-2026-28908: beist
Available for: macOS Tahoe
Impact: A maliciously crafted disk image may bypass Gatekeeper checks
Description: A file quarantine bypass was addressed with additional checks.
CVE-2026-28954: Yiğit Can YILMAZ (@yilmazcanyigit)
Available for: macOS Tahoe
Impact: A local user may be able to cause unexpected system termination or read kernel memory
Description: A buffer overflow was addressed with improved input validation.
CVE-2026-28897: popku1337, Billy Jheng Bing Jhong and Pan Zhenpeng (@Peterpan0927) of STAR Labs SG Pte. Ltd., Robert Tran, Aswin kumar Gokulakannan
Available for: macOS Tahoe
Impact: An app may be able to cause unexpected system termination
Description: An integer overflow was addressed with improved input validation.
CVE-2026-28952: Calif.io in collaboration with Claude and Anthropic Research
Available for: macOS Tahoe
Impact: An app may be able to gain root privileges
Description: An authorization issue was addressed with improved state management.
CVE-2026-28951: Csaba Fitzl (@theevilbit) of Iru
Available for: macOS Tahoe
Impact: An app may be able to cause unexpected system termination or write kernel memory
Description: An out-of-bounds write issue was addressed with improved input validation.
CVE-2026-28972: Billy Jheng Bing Jhong and Pan Zhenpeng (@Peterpan0927) of STAR Labs SG Pte. Ltd., Ryan Hileman via Xint Code (xint.io)
Available for: macOS Tahoe
Impact: An app may be able to cause unexpected system termination
Description: A race condition was addressed with additional validation.
CVE-2026-28986: Chris Betz, Tristan Madani (@TristanInSec) from Talence Security, Ryan Hileman via Xint Code (xint.io)
Available for: macOS Tahoe
Impact: An app may be able to leak sensitive kernel state
Description: A logging issue was addressed with improved data redaction.
CVE-2026-28987: Dhiyanesh Selvaraj (@redroot97)
Available for: macOS Tahoe
Impact: A remote attacker may be able to cause a denial of service
Description: A type confusion issue was addressed with improved checks.
CVE-2026-28983: Ruslan Dautov
Available for: macOS Tahoe
Impact: Replying to an email could display remote images in Mail in Lockdown Mode
Description: A logic issue was addressed with improved checks.
CVE-2026-28929: Yiğit Can YILMAZ (@yilmazcanyigit)
Available for: macOS Tahoe
Impact: An attacker on the local network may be able to cause a denial-of-service
Description: The issue was addressed with improved memory handling.
CVE-2026-43653: Atul R V
Available for: macOS Tahoe
Impact: An attacker on the local network may be able to cause a denial-of-service
Description: A null pointer dereference was addressed with improved input validation.
CVE-2026-28985: Omar Cerrito
Available for: macOS Tahoe
Impact: A remote attacker may be able to cause unexpected system termination or corrupt kernel memory
Description: A use after free issue was addressed with improved memory management.
CVE-2026-43668: Anton Pakhunov, Ricardo Prado
Available for: macOS Tahoe
Impact: An attacker on the local network may be able to cause a denial-of-service
Description: An out-of-bounds write issue was addressed with improved bounds checking.
CVE-2026-43666: Ian van der Wurff (ian.nl)
Available for: macOS Tahoe
Impact: Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents
Description: The issue was addressed with improved checks.
CVE-2026-28941: Michael DePlante (@izobashi) of TrendAI Zero Day Initiative
Available for: macOS Tahoe
Impact: Processing a maliciously crafted image may corrupt process memory
Description: The issue was addressed with improved memory handling.
CVE-2026-28940: Michael DePlante (@izobashi) of TrendAI Zero Day Initiative
Available for: macOS Tahoe
Impact: An attacker with physical access to a locked device may be able to view sensitive user information
Description: This issue was addressed with improved checks.
CVE-2026-28961: Dan Raviv
Available for: macOS Tahoe
Impact: An attacker may be able to track users through their IP address
Description: This issue was addressed through improved state management.
CVE-2026-28906: Ilya Sc. Jowell A.
Available for: macOS Tahoe
Impact: Parsing a maliciously crafted file may lead to an unexpected app termination
Description: An out-of-bounds write issue was addressed with improved input validation.
CVE-2026-43656: Peter Malone
Available for: macOS Tahoe
Impact: An app may be able to access protected user data
Description: A permissions issue was addressed with additional restrictions.
CVE-2026-43652: Asaf Cohen
Available for: macOS Tahoe
Impact: Processing a maliciously crafted image may corrupt process memory
Description: The issue was addressed with improved memory handling.
CVE-2026-39870: Peter Malone
Available for: macOS Tahoe
Impact: A remote attacker may be able to cause unexpected app termination
Description: A buffer overflow was addressed with improved bounds checking.
CVE-2026-28846: Peter Malone
Available for: macOS Tahoe
Impact: An app may be able to access user-sensitive data
Description: This issue was addressed by adding an additional prompt for user consent.
CVE-2026-28993: Doron Assness
Available for: macOS Tahoe
Impact: A remote attacker may be able to cause unexpected system termination
Description: A buffer overflow was addressed with improved bounds checking.
CVE-2026-28848: Peter Malone, Dave G. and Alex Radocea of Supernetworks
Available for: macOS Tahoe
Impact: An app may be able to access protected user data
Description: A permissions issue was addressed with additional restrictions.
CVE-2026-28930: Pan ZhenPeng (@Peterpan0927) of STAR Labs SG Pte. Ltd.
Available for: macOS Tahoe
Impact: An app may be able to cause a denial-of-service
Description: This issue was addressed with improved checks to prevent unauthorized actions.
CVE-2026-28974: Andy Koo (@andykoo) of Hexens
Available for: macOS Tahoe
Impact: An app may be able to access sensitive user data
Description: A race condition was addressed with additional validation.
CVE-2026-28996: Alex Radocea
Available for: macOS Tahoe
Impact: An app may be able to gain root privileges
Description: A consistency issue was addressed with improved state handling.
CVE-2026-28919: Amy (amys.website)
Available for: macOS Tahoe
Impact: An app may be able to access Contacts without user consent
Description: A race condition was addressed with improved handling of symbolic links.
CVE-2026-28924: Andreas Jaegersberger & Ro Achterberg of Nosebeard Labs, YingQi Shi (@Mas0nShi) of DBAppSecurity’s WeBin lab
Available for: macOS Tahoe
Impact: An app may be able to observe unprotected user data
Description: A path handling issue was addressed with improved logic.
CVE-2026-39871: an anonymous researcher
Available for: macOS Tahoe
Impact: An app may be able to gain root privileges
Description: An information leakage was addressed with additional validation.
CVE-2026-28976: David Ige – Beryllium Security
Available for: macOS Tahoe
Impact: Processing maliciously crafted web content may prevent Content Security Policy from being enforced
Description: A validation issue was addressed with improved logic.
CVE-2026-43660: Cantina
Available for: macOS Tahoe
Impact: Processing maliciously crafted web content may prevent Content Security Policy from being enforced
Description: The issue was addressed with improved input validation.
CVE-2026-28907: Cantina
Available for: macOS Tahoe
Impact: Processing maliciously crafted web content may disclose sensitive user information
Description: This issue was addressed with improved access restrictions.
CVE-2026-28962: Luke Francis, Vaagn Vardanian, kwak kiyong / kakaogames, Vitaly Simonovich, Adel Bouachraoui, greenbynox
Available for: macOS Tahoe
Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash
Description: The issue was addressed with improved memory handling.
CVE-2026-43658: Do Young Park
Available for: macOS Tahoe
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: The issue was addressed with improved memory handling.
CVE-2026-28905: Yuhao Hu, Yuanming Lai, Chenggang Wu, and Zhe Wang
CVE-2026-28847: DARKNAVY (@DarkNavyOrg), Anonymous working with TrendAI Zero Day Initiative, Daniel Rhea
CVE-2026-28904: Luka Rački
CVE-2026-28955: wac and Kookhwan Lee working with TrendAI Zero Day Initiative
CVE-2026-28903: Mateusz Krzywicki (iVerify.io)
CVE-2026-28953: Maher Azzouzi
CVE-2026-28902: Tristan Madani (@TristanInSec) from Talence Security, Nathaniel Oh (@calysteon)
CVE-2026-28901: Aisle offensive security research team (Joshua Rogers, Luigino Camastra, Igor Morgenstern, and Guido Vranken), Maher Azzouzi, Ngan Nguyen of Calif.io
CVE-2026-28913: an anonymous researcher
Available for: macOS Tahoe
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: A use-after-free issue was addressed with improved memory management.
CVE-2026-28883: kwak kiyong / kakaogames
Available for: macOS Tahoe
Impact: An app may be able to access sensitive user data
Description: This issue was addressed with improved data protection.
CVE-2026-28958: Cantina
Available for: macOS Tahoe
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: The issue was addressed with improved input validation.
CVE-2026-28917: Vitaly Simonovich
Available for: macOS Tahoe
Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash
Description: A use-after-free issue was addressed with improved memory management.
CVE-2026-28947: dr3dd
CVE-2026-28946: Gia Bui (@yabeow) from Calif.io, dr3dd, w0wbox
CVE-2026-28942: Milad Nasr and Nicholas Carlini with Claude, Anthropic
Available for: macOS Tahoe
Impact: A malicious iframe may use another website’s download settings
Description: The issue was addressed with improved UI handling.
CVE-2026-28971: Khiem Tran
Available for: macOS Tahoe
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: The issue was addressed with improved memory handling.
CVE-2026-28944: Kenneth Hsu of Palo Alto Networks, Jérôme DJOUDER, dr3dd
Available for: macOS Tahoe
Impact: An app may be able to execute arbitrary code with kernel privileges
Description: An out-of-bounds write issue was addressed with improved bounds checking.
CVE-2026-28819: Wang Yu
Available for: macOS Tahoe
Impact: An attacker in a privileged network position may be able to perform denial-of-service attack using crafted Wi-Fi packets
Description: A use after free issue was addressed with improved memory management.
CVE-2026-28994: Alex Radocea
Available for: macOS Tahoe
Impact: A maliciously crafted ZIP archive may bypass Gatekeeper checks
Description: A logic issue was addressed with improved file handling.
CVE-2026-28914: Andreas Jaegersberger & Ro Achterberg of Nosebeard Labs (nosebeard.co)
Available for: macOS Tahoe
Impact: Visiting a maliciously crafted website may leak sensitive data
Description: An information leakage was addressed with additional validation.
CVE-2026-28920: Brendon Tiszka of Google Project Zero
We would like to acknowledge Mikael Kinnman for their assistance.
We would like to acknowledge Asaf Cohen, Johan Wahyudi for their assistance.
We would like to acknowledge Iván Savransky, Kun Peeks (@SwayZGl1tZyyy), YingQi Shi (@Mas0nShi) of DBAppSecurity’s WeBin lab for their assistance.
We would like to acknowledge Brian Carpenter for their assistance.
We would like to acknowledge Andreas Jaegersberger & Ro Achterberg of Nosebeard Labs for their assistance.
We would like to acknowledge Jordan Pittman for their assistance.
We would like to acknowledge Mustafa Calap for their assistance.
We would like to acknowledge an anonymous researcher for their assistance.
We would like to acknowledge Ryan Hileman via Xint Code (xint.io), an anonymous researcher for their assistance.
We would like to acknowledge Andreas Jaegersberger & Ro Achterberg of Nosebeard Labs for their assistance.
We would like to acknowledge Chris Staite and David Hardy of Menlo Security Inc for their assistance.
We would like to acknowledge Ilias Morad (@A2nkF_) for their assistance.
We would like to acknowledge Kun Peeks (@SwayZGl1tZyyy) for their assistance.
We would like to acknowledge Jason Grove for their assistance.
We would like to acknowledge Jeffery Kimbrow for their assistance.
We would like to acknowledge Asilbek Salimov for their assistance.
We would like to acknowledge Anand Patil for their assistance.
We would like to acknowledge Christopher Mathews for their assistance.
We would like to acknowledge Cem Onat Karagun, Surya Kushwaha for their assistance.
We would like to acknowledge sean mutuku for their assistance.
We would like to acknowledge Robert Mindo for their assistance.
We would like to acknowledge Yoav Magid for their assistance.
We would like to acknowledge Andreas Jaegersberger & Ro Achterberg of Nosebeard Labs for their assistance.
We would like to acknowledge Muhammad Zaid Ghifari (Mr.ZheeV), Kalimantan Utara, Qadhafy Muhammad Tera, Vitaly Simonovich for their assistance.
We would like to acknowledge Hyeonji Son (@jir4vv1t) of Demon Team for their assistance.
We would like to acknowledge Kun Peeks (@SwayZGl1tZyyy) for their assistance.
Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. Contact the vendor for additional information.
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