Vulnerability · Published Aug 26, 2026 · Assigned by CSA
CVE-2026-78236Insecure PIN derivation mechanism in Admin By Request (ABR)
High 8.8
In plain English
A high-severity improper authentication in Admin By Request (ABR) from Admin By Request (ABR). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.1%top 99.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Admin By Request (ABR) | Admin By Request (ABR) | 5.2.2 and below |
Weakness: CWE-287, CWE-285, CWE-327, CWE-284 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H