4.4
MEDIUM CVSS 3.1
CVE-2026-84551
Apple OS Network Restriction Bypass Vulnerability
Description

A logic issue was addressed with improved validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27, watchOS 27. An app may be able to bypass network restrictions.

INFO

Published Date :

Sept. 14, 2026, 9:17 p.m.

Last Modified :

Sept. 17, 2026, 5:16 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-84551 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.

ID Vendor Product Action
1 Apple macos
2 Apple iphone_os
3 Apple watchos
4 Apple ipados
5 Apple macos
6 Apple watchos
7 Apple visionos
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Update to the latest OS versions to fix network restriction bypass.
  • Update iOS to version 27.
  • Update iPadOS to version 27.
  • Update macOS to Golden Gate 27.
  • Update visionOS and watchOS to version 27.
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-2026-84551.

URL Resource
https://support.apple.com/en-us/149034 Release Notes Vendor Advisory
https://support.apple.com/en-us/149035 Release Notes Vendor Advisory
https://support.apple.com/en-us/149037 Release Notes Vendor Advisory
https://support.apple.com/en-us/149038 Release Notes Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-84551 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-2026-84551 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-2026-84551 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-84551 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

    Sep. 17, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
    Added CWE CWE-862
    Added SSVC {'id': 'CVE-2026-84551', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-17T16:59:27.399871Z'}
  • Initial Analysis by [email protected]

    Sep. 16, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
    Added CWE CWE-862
    Added CPE Configuration OR *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions up to (excluding) 27.0 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 27.0 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions up to (excluding) 27.0 *cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* versions up to (excluding) 27.0 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 27.0
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/149034 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/149035 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/149037 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/149038 Types: Release Notes, Vendor Advisory
  • New CVE Received by [email protected]

    Sep. 14, 2026

    Action Type Old Value New Value
    Added Description A logic issue was addressed with improved validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27, watchOS 27. An app may be able to bypass network restrictions.
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/84xxx/CVE-2026-84551.json">CVE-2026-84551</a>
    Added Reference https://support.apple.com/en-us/149034
    Added Reference https://support.apple.com/en-us/149035
    Added Reference https://support.apple.com/en-us/149037
    Added Reference https://support.apple.com/en-us/149038
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.