0.0
NA
CVE-2026-20687
Apple iOS Use After Free Kernel Memory Corruption
Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, watchOS 26.4. An app may be able to cause unexpected system termination or write kernel memory.

INFO

Published Date :

March 25, 2026, 1:17 a.m.

Last Modified :

March 25, 2026, 1:17 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-20687 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 to the latest versions of iOS, iPadOS, macOS, tvOS, or watchOS to fix memory corruption.
  • Update iOS and iPadOS to the latest versions.
  • Update macOS to the latest versions.
  • Update tvOS and watchOS to the latest versions.
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-2026-20687.

URL Resource
https://support.apple.com/en-us/126792
https://support.apple.com/en-us/126793
https://support.apple.com/en-us/126794
https://support.apple.com/en-us/126795
https://support.apple.com/en-us/126797
https://support.apple.com/en-us/126798
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-20687 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-2026-20687 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-2026-20687 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-20687 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]

    Mar. 25, 2026

    Action Type Old Value New Value
    Added Description A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, watchOS 26.4. An app may be able to cause unexpected system termination or write kernel memory.
    Added Reference https://support.apple.com/en-us/126792
    Added Reference https://support.apple.com/en-us/126793
    Added Reference https://support.apple.com/en-us/126794
    Added Reference https://support.apple.com/en-us/126795
    Added Reference https://support.apple.com/en-us/126797
    Added Reference https://support.apple.com/en-us/126798
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.