SB2026070836 - Multiple vulnerabilities in Apple macOS Tahoe

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Main Vulnerability Database SB2026070836

SB2026070836 - Multiple vulnerabilities in Apple macOS Tahoe

Published: July 8, 2026

Security Bulletin ID SB2026070836
CSH Severity
High
Patch available
YES
Number of vulnerabilities 37
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 5% Medium 51% Low 43%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 37 vulnerabilities.


1) Use after free (CVE-ID: CVE-2026-43727)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in WebKit. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected Safari crash.


2) Improper input validation (CVE-ID: CVE-2026-43735)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:/VI:/VA:/SC:N/SI:N/SA:N/E:U/U:Clear



3) Improper access control (CVE-ID: CVE-2026-43724)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper access control in kernel when handling input from a local application. A local user can run a local application to escalate privileges.


4) Information disclosure (CVE-ID: CVE-2026-43722)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to gain access to potentially sensitive information.

The vulnerability exists due to improper input validation within the OS kernel. A local application can gain access to sensitive kernel state.


5) Improper input validation (CVE-ID: CVE-2026-39868)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to insufficient input validation in Kernel. A local application can cause unexpected system termination or corrupt kernel memory.


6) Improper input validation (CVE-ID: CVE-2026-43706)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to improper input validation in libxslt when parsing input. A remote attacker can send specially crafted input to cause a denial of service.


7) Memory corruption (CVE-ID: CVE-2026-43703)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in libxslt. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected process crash.


8) Use-after-free (CVE-ID: CVE-2026-43704)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to use-after-free in web extensions when handling extension content. A remote attacker can trigger the vulnerable condition to cause a denial of service.


9) Improper access control (CVE-ID: CVE-2026-43700)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to disclose sensitive information.

The vulnerability exists due to improper access control in WebKit when rendering content. A local user can trigger processing of crafted content to disclose sensitive information.


10) Use after free (CVE-ID: CVE-2026-43734)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in WebKit. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected process crash.


11) Improper input validation (CVE-ID: CVE-2026-43725)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper input validation in WebKit when rendering content. A local user can trigger the vulnerable behavior to escalate privileges on the system.


12) Use after free (CVE-ID: CVE-2026-43726)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in WebKit. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected process crash.


13) Use after free (CVE-ID: CVE-2026-43709)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in WebKit. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected process crash.


14) Use after free (CVE-ID: CVE-2026-43699)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in WebKit. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected process crash.


15) Use after free (CVE-ID: CVE-2026-43742)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in WebKit. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected process crash.


16) Improper limitation of a pathname to a restricted directory ('path traversal') (CVE-ID: CVE-2026-43732)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to incorrect handling of path names in WebKit. A local user can trick the victim into opening a specially crafted file and gain access to sensitive information.


17) Use-after-free (CVE-ID: CVE-2026-43731)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code.

The vulnerability exists due to use-after-free in WebKit when rendering web content. A remote attacker can trick the victim into opening a crafted webpage to execute arbitrary code.


18) Use-after-free (CVE-ID: CVE-2026-43715)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code.

The vulnerability exists due to use-after-free in WebKit when rendering content. A remote attacker can craft malicious web content to execute arbitrary code.


19) Use after free (CVE-ID: CVE-2026-43746)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in WebRTC. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected Safari crash.


20) Memory corruption (CVE-ID: CVE-2026-43663)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected process crash.


21) Memory corruption (CVE-ID: CVE-2026-43707)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected process crash.


22) Memory corruption (CVE-ID: CVE-2026-43712)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected process crash.


23) Memory corruption (CVE-ID: CVE-2026-43716)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected Safari crash.


24) Memory corruption (CVE-ID: CVE-2026-43676)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected Safari crash.


25) Memory corruption (CVE-ID: CVE-2026-43740)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into opening a specially crafted file and gain access to sensitive information.


26) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2026-43713)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to improperly imposed security restrictions in WebKit. A remote attacker can trick the victim into visiting a specially crafted website and gain access to sensitive information. 


27) Information disclosure (CVE-ID: CVE-2026-43708)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to improper input validation in WebKit. A remote attacker can trick the victim into visiting a specially crafted website and exfiltrate data cross-origin.


28) Improper access control (CVE-ID: CVE-2026-43705)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to bypass security restrictions.

The vulnerability exists due to improper access control in WebKit when rendering content. A remote attacker can craft malicious web content to bypass security restrictions.


29) Memory corruption (CVE-ID: CVE-2026-39872)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected process crash.


30) Improper access control (CVE-ID: CVE-2026-43701)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper access control in WebKit when rendering content. A local user can trigger the vulnerable WebKit behavior to escalate privileges on the system.


31) Out-of-bounds write (CVE-ID: CVE-2026-43745)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds write in WebKit. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected Safari crash.


32) Use after free (CVE-ID: CVE-2026-43720)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in WebKit Canvas. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected Safari crash.


33) Improper input validation (CVE-ID: CVE-2026-43721)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:/VI:/VA:/SC:N/SI:N/SA:N/E:U/U:Clear



34) Memory corruption (CVE-ID: CVE-2026-28979)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WebRTC. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected process crash.


35) Improper input validation (CVE-ID: CVE-2026-43718)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation in WebRTC. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected Safari crash.


36) Use after free (CVE-ID: CVE-2026-43717)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in WebRTC. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected Safari crash.


37) State issues (CVE-ID: CVE-2026-43743)

CWE-ID: CWE-371 - State Issues

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to perform a denial of service (DoS) attack.

The vulnerability exists due to a state management issue in IOGPUFamily. A local application can cause unexpected system termination.


Remediation

Install update from vendor's website.

References