CVE-2026-78236

Description

An insecure PIN derivation mechanism in ABR allows a low-privileged user to escalate privileges to administrator by communicating over Cross-Process Communication (XPC) while masquerading as an Apple-signed process.

References

https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-110/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-66331

https://docs.adminbyrequest.com/security-advisories/abr-mac-26-01.htm

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS