Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2026-20652

Severity CVSS v4.0:
Pending analysis
Type:
CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')
Publication date:
11/02/2026
Last modified:
13/02/2026

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* 26.3 (excluding)
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* 18.7.5 (excluding)
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* 26.0 (including) 26.3 (excluding)
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 18.7.5 (excluding)
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 26.0 (including) 26.3 (excluding)
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 26.3 (excluding)
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* 26.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools