CVE-2026-20652

HIGH

macOS Tahoe <26.3 - DoS

Title source: llm
STIX 2.1

Description

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. A remote attacker may be able to cause a denial-of-service.

Scores

CVSS v3 7.5
EPSS 0.0026
EPSS Percentile 48.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (10)
Apple/iOS and iPadOS < 18.7.5
Apple/iOS and iPadOS < 26.3
apple/ipados < 18.7.5
apple/iphone_os < 18.7.5
apple/macos < 26.3
Apple/macOS < 26.3
apple/safari < 26.3
Apple/Safari < 26.3
apple/visionos < 26.3
Apple/visionOS < 26.3
Published Feb 11, 2026
Tracked Since Feb 18, 2026