CVE-2026-20654
MEDIUMCVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
2Tags
Description
The issue was addressed with improved memory handling. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An app may be able to cause unexpected system termination.
Analysis
A local privilege escalation vulnerability in Apple's operating systems (macOS, iOS, visionOS, and iPadOS) allows authenticated users to trigger a buffer overflow condition resulting in denial of service through application crashes. The vulnerability stems from improper memory handling and affects multiple Apple platforms including watchOS and tvOS. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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External POC / Exploit Code
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