0.0
NA
CVE-2026-20609
Apple WatchOS Memory Corruption Denial of Service
Description

The issue was addressed with improved memory handling. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3. Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents.

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-2026-20609 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 OS versions to fix memory handling and prevent crashes or information disclosure.
  • Update watchOS to version 26.3.
  • Update tvOS to version 26.3.
  • Update macOS to Tahoe 26.3 or Sonoma 14.8.4.
  • Update iOS/iPadOS to 18.7.5 or 26.3.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-20609 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-2026-20609 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-2026-20609 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-20609 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 The issue was addressed with improved memory handling. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3. Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents.
    Added Reference https://support.apple.com/en-us/126346
    Added Reference https://support.apple.com/en-us/126347
    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
    Added Reference https://support.apple.com/en-us/126351
    Added Reference https://support.apple.com/en-us/126352
    Added Reference https://support.apple.com/en-us/126353
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.