CVE-2026-20650

Severity CVSS v4.0:

Pending analysis

Type:

CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')

Publication date:

11/02/2026

Last modified:

02/04/2026

Description

A denial-of-service issue was addressed with improved validation. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An attacker in a privileged network position may be able to perform denial-of-service attack using crafted Bluetooth packets.

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:o:apple:ipados::::::::		26.3 (excluding)
cpe:2.3:o:apple:iphone_os::::::::		26.3 (excluding)
cpe:2.3:o:apple:macos::::::::		26.3 (excluding)
cpe:2.3:o:apple:tvos::::::::		26.3 (excluding)
cpe:2.3:o:apple:visionos::::::::		26.3 (excluding)
cpe:2.3:o:apple:watchos::::::::		26.3 (excluding)

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

CVE-2026-20650

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools