Memory Corruption Vulnerability in Apple macOS Products
CVE-2026-84547

3.5LOW

Key Information:

Vendor

Apple
Status
Mac OS
Vendor
CVE Published:
20 October 2026

What is CVE-2026-84547?

A memory corruption issue has been identified in specific versions of macOS, which can potentially be exploited by attackers in close physical proximity to corrupt the process memory of the device. This vulnerability is mitigated through improved input validation in the affected versions, namely macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Users are advised to update their systems to ensure protection against this type of exploit.

Affected Version(s)

macOS 0 < 15.8

macOS 0 < 26.7

macOS 0 < 27

References

https://support.apple.com/en-us/149035
https://support.apple.com/en-us/149042
https://support.apple.com/en-us/149043

CVSS V3.1

Score:
3.5
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Physical
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.