Out-of-Bounds Read Vulnerability in Apple iOS and macOS Products
CVE-2026-86975

4.3MEDIUM

Key Information:

Vendor

Apple
Status
iOS And iPad OS
Mac OS
TV OS
Visionos
Vendor
CVE Published:
20 October 2026

What is CVE-2026-86975?

An out-of-bounds read vulnerability exists that can allow unauthorized access to memory boundaries, potentially leading to the unexpected termination of processes. This issue may arise when processing maliciously crafted images. Apple has addressed this security concern through enhanced bounds checking in the latest software updates for iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. Users and administrators are encouraged to update their devices to the latest versions to mitigate risks associated with this vulnerability.

Affected Version(s)

iOS and iPadOS 0 < 27

macOS 0 < 27

tvOS 0 < 27

References

https://support.apple.com/en-us/149034
https://support.apple.com/en-us/149035
https://support.apple.com/en-us/149036

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.