CVE-2026-78236

Insecure PIN derivation mechanism in Admin By Request (ABR)

Published Aug 26, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Users and administrators of affected product versions are advised to update to the latest version promptly.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Admin By Request (abr)
Admin By Request (abr) admin By Request (abr)
Vendors & Products Admin By Request (abr)
Admin By Request (abr) admin By Request (abr)
Type Values Removed Values Added
Weaknesses CWE-285
CWE-287
CWE-327
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
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.
Title Insecure PIN derivation mechanism in Admin By Request (ABR)
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

Sources

Status
PUBLISHED
Assigner
CSA
Published
Updated
Aug 28, 2026, 6:41 AM
Reserved
Aug 24, 2026, 3:00 AM
Status
Deferred
Published
Aug 26, 2026, 8:16 AM
Modified
Sep 3, 2026, 4:59 PM