Cryptographic Vulnerability in Apple iOS and macOS Products
CVE-2026-84533

5.3MEDIUM

Key Information:

Vendor

Apple
Status
iOS And iPad OS
Mac OS
TV OS
Watch OS
Vendor
CVE Published:
14 September 2026

What is CVE-2026-84533?

A cryptographic vulnerability has been identified in Apple's iOS, iPadOS, macOS, tvOS, and watchOS products, where insufficient integrity checks could allow an attacker in a privileged network position to manipulate network traffic. This vulnerability has been addressed in the latest versions of the affected operating systems, enhancing network security and protecting user data from potential exploitation.

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:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.