Root Privileges Escalation in Apple's macOS and Related Products
CVE-2026-28840

7.8HIGH

Key Information:

Vendor

Apple
Status
Mac OS
Vendor
CVE Published:
11 May 2026

What is CVE-2026-28840?

A permissions issue in Apple's macOS products was addressed with additional restrictions to mitigate the risk of unauthorized access. The flaw allowed certain applications the potential to gain root privileges, posing a security threat to user data and system integrity. Users are urged to update to the latest versions of macOS Sequoia, Sonoma, and Tahoe to protect against this vulnerability.

Affected Version(s)

macOS 0 < 14.8.7

macOS 0 < 15.7.7

macOS 0 < 26.4

References

https://support.apple.com/en-us/126794
https://support.apple.com/en-us/127116
https://support.apple.com/en-us/127117

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.