0.0
NA
CVE-2026-20620
Apple macOS Kernel Out-of-Bounds Read Vulnerability
Description

An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Tahoe 26.3, macOS Sonoma 14.8.4. An attacker may be able to cause unexpected system termination or read kernel memory.

INFO

Published Date :

Feb. 11, 2026, 11:16 p.m.

Last Modified :

Feb. 11, 2026, 11:16 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-20620 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

Solution
Update the system to the latest version to fix memory corruption and out-of-bounds read vulnerabilities.
  • Update macOS to the latest version.
  • Install security updates for macOS.
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-2026-20620.

URL Resource
https://support.apple.com/en-us/126348
https://support.apple.com/en-us/126349
https://support.apple.com/en-us/126350
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-20620 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-2026-20620 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-2026-20620 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-20620 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.

  • New CVE Received by [email protected]

    Feb. 11, 2026

    Action Type Old Value New Value
    Added Description An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Tahoe 26.3, macOS Sonoma 14.8.4. An attacker may be able to cause unexpected system termination or read kernel memory.
    Added Reference https://support.apple.com/en-us/126348
    Added Reference https://support.apple.com/en-us/126349
    Added Reference https://support.apple.com/en-us/126350
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.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.