7.5
HIGH CVSS 3.1
CVE-2026-20652
Apple Safari Denial-of-Service
Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Tahoe 26.3, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3, Safari 26.3. A remote attacker may be able to cause a denial-of-service.

INFO

Published Date :

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

Last Modified :

Feb. 13, 2026, 2:46 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-20652 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 safari
4 Apple ipados
5 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 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 HIGH [email protected]
Solution
Apply security updates to address memory handling and potential denial-of-service vulnerabilities.
  • Update macOS to Tahoe 26.3.
  • Update iOS to 18.7.5.
  • Update iPadOS to 18.7.5.
  • Update Safari to 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-2026-20652.

URL Resource
https://support.apple.com/en-us/126346 Release Notes Vendor Advisory
https://support.apple.com/en-us/126347 Release Notes Vendor Advisory
https://support.apple.com/en-us/126348 Release Notes Vendor Advisory
https://support.apple.com/en-us/126353 Release Notes Vendor Advisory
https://support.apple.com/en-us/126354 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-2026-20652 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-2026-20652 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-2026-20652 vulnerability anywhere in the article.

  • TheCyberThrone
Apple Patch Tuesday – February 2026

February 12, 2026Critical Security Updates Across iOS, macOS, and Apple EcosystemApple released a coordinated set of security updates on February 11, 2026, aligning with the global Patch Tuesday cycle ... Read more

Published Date: Feb 12, 2026 (2 weeks, 6 days ago)

The following table lists the changes that have been made to the CVE-2026-20652 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.

  • Initial Analysis by [email protected]

    Feb. 13, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-400
    Added CPE Configuration OR *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions up to (excluding) 26.3 *cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* versions up to (excluding) 26.3 *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions up to (excluding) 18.7.5 *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions from (including) 26.0 up to (excluding) 26.3 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 18.7.5 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions from (including) 26.0 up to (excluding) 26.3 *cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* versions up to (excluding) 26.3
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/126346 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/126347 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/126348 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/126353 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/126354 Types: Release Notes, Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Feb. 12, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-400
  • 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 macOS Tahoe 26.3, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3, Safari 26.3. A remote attacker may be able to cause a denial-of-service.
    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/126353
    Added Reference https://support.apple.com/en-us/126354
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
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact