SB2026051216 - Multiple vulnerabilities in Apple tvOS
Published: May 12, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 46 vulnerabilities.
1) Improper input validation (CVE-ID: CVE-2026-28985)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker on the local network to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation in mDNSResponder. A remote attacker on the local network can cause a denial-of-service.
2) Improper input validation (CVE-ID: CVE-2026-28992)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper input validation in IOHIDFamily when processing user-supplied input. A local user can send specially crafted input to cause a denial of service.
3) Memory corruption (CVE-ID: CVE-2026-28959)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 4.8 [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]
The vulnerability allows a local application to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in APFS. A local application can cause unexpected system termination.
4) Improper access control (CVE-ID: CVE-2026-28995)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 8.5 [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]
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to improper access restrictions in App Intents. A local application can break out of its sandbox.
5) Improper input validation (CVE-ID: CVE-2026-1837)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 8.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in AppleJPEG when parsing input. A remote attacker can send a specially crafted input to cause a denial of service.
6) Improper input validation (CVE-ID: CVE-2026-28956)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 8.5 [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]
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to insufficient input validation in AppleJPEG. A local application can trick the victim into opening a specially crafted file and perform unexpected app termination or corrupt process memory.
7) Memory corruption (CVE-ID: CVE-2026-39869)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in Audio. A remote attacker can trick the victim into opening a specially crafted file and perform a denial of service (DoS) attack.
8) Memory corruption (CVE-ID: CVE-2026-28918)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 4.8 [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]
The vulnerability allows a local application to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in CoreSymbolication. A local application can trick the victim into opening a specially crafted file and perform an unexpected app termination.
9) Memory corruption (CVE-ID: CVE-2026-43661)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 8.4 [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]
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to a boundary error in ImageIO. A remote attacker can trick the victim into opening a specially crafted file and escalate privileges on the system.
10) Memory corruption (CVE-ID: CVE-2026-28977)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 4.8 [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]
The vulnerability allows a local application to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in ImageIO. A local application can trick the victim into opening a specially crafted file and perform unexpected app termination.
11) Memory corruption (CVE-ID: CVE-2026-28990)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 8.4 [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]
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to a boundary error in ImageIO. A remote attacker can trick the victim into opening a specially crafted file and escalate privileges on the system.
12) Improper input validation (CVE-ID: CVE-2026-28943)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:/VI:/VA:/SC:N/SI:N/SA:N]
13) Use after free (CVE-ID: CVE-2026-43668)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 8.4 [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]
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in mDNSResponder. A remote attacker can trick the victim into opening a specially crafted file and cause unexpected system termination or corrupt kernel memory.
14) Use after free (CVE-ID: CVE-2026-28969)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local application to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error in IOKit. A local application can cause unexpected system termination.
15) Memory corruption (CVE-ID: CVE-2026-43655)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local application to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in IOSurfaceAccelerator. A local application can cause unexpected system termination or read kernel memory.
16) Memory corruption (CVE-ID: CVE-2026-43654)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 6.8 [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]
The vulnerability allows a local application to gain access to sensitive information.
The vulnerability exists due to a boundary error in Kernel. A local application can disclose kernel memory.
17) Improper input validation (CVE-ID: CVE-2026-28897)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation in Kernel. A local user can cause unexpected system termination or read kernel memory.
18) Out-of-bounds write (CVE-ID: CVE-2026-28972)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 8.5 [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]
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to an out-of-bounds write in Kernel. A local application can cause unexpected system termination or write kernel memory.
19) Improper access control (CVE-ID: CVE-2026-28986)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper access control in kernel when handling a local application. A local user can run a local application to cause a denial of service.
20) Improper input validation (CVE-ID: CVE-2026-28987)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:/VI:/VA:/SC:N/SI:N/SA:N]
21) Improper access control (CVE-ID: CVE-2026-28983)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 4.6 [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]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper access restrictions in LaunchServices. A remote attacker can trick the victim into opening a specially crafted file and cause a denial of service.
22) Memory corruption (CVE-ID: CVE-2026-43653)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker on the local network to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in mDNSResponder. A remote attacker on the local network can cause a denial-of-service.
23) Out-of-bounds read (CVE-ID: CVE-2026-28920)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in zlib. A remote attacker can trick the victim into visiting a specially crafted website, trigger an out-of-bounds read error and read contents of memory on the system.
24) Out-of-bounds write (CVE-ID: CVE-2026-43666)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker on the local network to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds write in mDNSResponder. A remote attacker on the local network can cause a denial-of-service.
25) Memory corruption (CVE-ID: CVE-2026-28955)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
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 website and perform an unexpected process crash.
26) Memory corruption (CVE-ID: CVE-2026-28846)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 4.6 [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]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in SceneKit. A remote attacker can trick the victim into opening a specially crafted file and cause unexpected app termination.
27) Improper access control (CVE-ID: CVE-2026-28974)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 4.8 [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]
The vulnerability allows a local application to perform a denial of service (DoS) attack.
The vulnerability exists due to improper access restrictions in Spotlight. A local application can cause a denial-of-service.
28) Improper access control (CVE-ID: CVE-2026-28996)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 4.8 [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]
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to improper access control in Storage when handling local application access. A local user can access sensitive information to disclose sensitive information.
29) Protection Mechanism Failure (CVE-ID: CVE-2026-43660)
CWE-ID: CWE-693 - Protection Mechanism Failure
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to prevent CSP enforcement.
The vulnerability exists due to insufficient implementation of security measures in WebKit. A remote attacker can trick the victim into visiting a specially crafted website and prevent Content Security Policy from being enforced.
30) Protection Mechanism Failure (CVE-ID: CVE-2026-28907)
CWE-ID: CWE-693 - Protection Mechanism Failure
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to prevent CSP enforcement.
The vulnerability exists due to insufficient implementation of security measures in WebKit. A remote attacker can trick the victim into visiting a specially crafted website and prevent Content Security Policy from being enforced.
31) Memory corruption (CVE-ID: CVE-2026-43658)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
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 website and perform an unexpected Safari crash.
32) Memory corruption (CVE-ID: CVE-2026-28905)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
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 website and perform an unexpected process crash.
33) Memory corruption (CVE-ID: CVE-2026-28847)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
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 website and perform an unexpected process crash.
34) Memory corruption (CVE-ID: CVE-2026-28904)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
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 website and perform an unexpected process crash.
35) Memory corruption (CVE-ID: CVE-2026-28903)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
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 website and perform an unexpected process crash.
36) Memory corruption (CVE-ID: CVE-2026-28940)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 8.4 [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]
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to a boundary error in Model I/O. A remote attacker can trick the victim into opening a specially crafted file and escalate privileges on the system.
37) Memory corruption (CVE-ID: CVE-2026-28953)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
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 website and perform an unexpected process crash.
38) Memory corruption (CVE-ID: CVE-2026-28902)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
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 website and perform an unexpected process crash.
39) Memory corruption (CVE-ID: CVE-2026-28901)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
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 website and perform an unexpected process crash.
40) Memory corruption (CVE-ID: CVE-2026-28913)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
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 website and perform an unexpected process crash.
41) Use after free (CVE-ID: CVE-2026-28883)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
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 website and perform an unexpected process crash.
42) Improper input validation (CVE-ID: CVE-2026-28917)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation in WebKit. A remote attacker can trick the victim into opening a specially crafted website and perform an unexpected process crash.
43) Use after free (CVE-ID: CVE-2026-28947)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
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 website and perform an unexpected Safari crash.
44) Use after free (CVE-ID: CVE-2026-28942)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
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 website and perform an unexpected Safari crash.
45) Use-after-free (CVE-ID: CVE-2026-28994)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to use-after-free in Wi-Fi when handling wireless network traffic. A remote attacker can send specially crafted wireless traffic to cause a denial of service.
46) Memory corruption (CVE-ID: CVE-2026-28991)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 4.8 [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]
The vulnerability allows a local application to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in Accelerate. A local application can cause a denial-of-service.
Remediation
Install update from vendor's website.