CVE-2026-20650
Denial-of-Service via Crafted Bluetooth Packets in Apple OS
Publication date: 2026-02-11
Last updated on: 2026-04-02
Assigner: Apple Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| apple | ipados | to 26.3 (exc) |
| apple | iphone_os | to 26.3 (exc) |
| apple | macos | to 26.3 (exc) |
| apple | tvos | to 26.3 (exc) |
| apple | visionos | to 26.3 (exc) |
| apple | watchos | to 26.3 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-400 | The product does not properly control the allocation and maintenance of a limited resource. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a denial-of-service (DoS) issue related to Bluetooth communication. It occurs because of insufficient validation of Bluetooth packets, which allows an attacker positioned within a privileged network role to send specially crafted Bluetooth packets that can disrupt normal device operation.
The issue has been addressed by improving validation mechanisms in affected Apple operating systems, including watchOS, tvOS, macOS Tahoe, visionOS, iOS, and iPadOS, all fixed in version 26.3.
How can this vulnerability impact me? :
This vulnerability can impact you by allowing an attacker in a privileged network position to cause a denial-of-service condition on your device. This means the attacker could disrupt the normal functioning of your device by sending malicious Bluetooth packets, potentially causing the device to become unresponsive or otherwise impaired.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update affected Apple operating systems to version 26.3 or later. This includes watchOS, tvOS, macOS Tahoe, visionOS, iOS, and iPadOS.
- Apply watchOS 26.3 update on Apple Watch devices.
- Apply tvOS 26.3 update on Apple TV devices.
- Apply macOS Tahoe 26.3 update on Mac devices.
- Apply visionOS 26.3 update on visionOS devices.
- Apply iOS 26.3 update on iPhone devices.
- Apply iPadOS 26.3 update on iPad devices.