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.

CVSS Vector

References

• https://docs.adminbyrequest.com/security-advisories/abr-mac-26-01.htm
• https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-110/