CVE-2026-20634

MEDIUM
2026-02-11 [email protected]
5.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
CVE Published
Feb 11, 2026 - 23:16 nvd
MEDIUM 5.5

Tags

Apple Information Disclosure

Description

The issue was addressed with improved memory handling. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3. Processing a maliciously crafted image may result in disclosure of process memory.

Analysis

Memory disclosure in Apple's image processing across macOS, iOS, iPadOS, tvOS, and visionOS allows local attackers with user interaction to leak sensitive process memory by submitting a specially crafted image file. The vulnerability requires no elevated privileges and affects multiple Apple operating system versions, with fixes available in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, and corresponding iOS/iPadOS updates. …

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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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Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +28
POC: 0

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CVE-2026-20634 vulnerability details – vuln.today
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