CVE-2026-78236
Insecure PIN derivation mechanism in Admin By Request (ABR)
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.
INFO
Published Date :
Aug. 26, 2026, 8:16 a.m.
Last Modified :
Sept. 3, 2026, 4:59 p.m.
Remotely Exploit :
No
Source :
5f57b9bf-260d-4433-bf07-b6a79e9bb7d4
Affected Products
The following products are affected by CVE-2026-78236
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4 | ||||
| CVSS 3.1 | HIGH | MITRE-CVE |
Solution
- Update the affected component to the latest version.
- Apply vendor-provided patches.
- Restrict XPC communication channels.
- Validate process signatures rigorously.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-78236.
| URL | Resource |
|---|---|
| https://docs.adminbyrequest.com/security-advisories/abr-mac-26-01.htm | |
| https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-110/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-78236 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-78236
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-78236 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-78236 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 26, 2026
Action Type Old Value New Value Added CWE CWE-287 Added CWE CWE-284 Added CWE CWE-327 Added CWE CWE-285 Added SSVC {'id': 'CVE-2026-78236', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-08-26T14:01:23.677810Z'} -
New CVE Received by 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4
Aug. 26, 2026
Action Type Old Value New Value 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. Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/78xxx/CVE-2026-78236.json">CVE-2026-78236</a> Added Reference https://docs.adminbyrequest.com/security-advisories/abr-mac-26-01.htm Added Reference https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-110/