CVE-2026-20650: A denial-of-service issue was addressed with improved validation

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.5% · higher than 46% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

MA

macOS · Apple

before 26.3 · source: vendor, NVD

IO

iOS · Apple

before 26.3 · source: NVD

IA

iOS and iPadOS · Apple

before 26.3 · source: vendor

TV

tvOS · Apple

before 26.3 · source: vendor, NVD

VI

visionOS · Apple

before 26.3 · source: vendor, NVD

WA

watchOS · Apple

before 26.3 · source: vendor, NVD