0.0
NA
CVE-2026-20700
Apple WatchOS Memory Corruption Vulnerability (Arbitrary Code Execution)
Description

A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.

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-2026-20700 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 all affected Apple devices to the latest available software version.
  • Update watchOS to version 26.3.
  • Update tvOS to version 26.3.
  • Update macOS to version 26.3.
  • Update iOS and iPadOS to version 26.3.
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-2026-20700.

URL Resource
https://support.apple.com/en-us/126346
https://support.apple.com/en-us/126348
https://support.apple.com/en-us/126351
https://support.apple.com/en-us/126352
https://support.apple.com/en-us/126353
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-20700 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-2026-20700 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-2026-20700 vulnerability anywhere in the article.

  • Daily CyberSecurity
Crash Loop: Palo Alto Networks Flaw (CVE-2026-0229) Forces Maintenance Mode

Palo Alto Networks has issued a security advisory for a denial-of-service (DoS) vulnerability affecting its PAN-OS software, specifically within the Advanced DNS Security (ADNS) feature. The flaw, tra ... Read more

Published Date: Feb 12, 2026 (46 minutes ago)
  • CybersecurityNews
Apple 0-Day Vulnerability Actively Exploited in Sophisticated Attack to Target Individuals

Apple 0-Day Vulnerability Exploited Apple released iOS 26.3 and iPadOS 26.3 on February 11, 2026, patching over 40 vulnerabilities, including a critical zero-day in the dyld component actively exploit ... Read more

Published Date: Feb 12, 2026 (52 minutes ago)
  • Daily CyberSecurity
Apple Zero-Day (CVE-2026-20700) Exploited in the Wild

Apple has issued an emergency security update for its entire mobile ecosystem, racing to close a critical zero-day vulnerability that is currently being used in what the company describes as an “extre ... Read more

Published Date: Feb 12, 2026 (1 hour, 32 minutes ago)

The following table lists the changes that have been made to the CVE-2026-20700 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 A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.
    Added Reference https://support.apple.com/en-us/126346
    Added Reference https://support.apple.com/en-us/126348
    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.