CVE-2026-20687

| EUVD-2026-15058 HIGH
2026-03-25 apple GHSA-c4px-j3mf-78gh
7.1
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
Analysis Generated
Mar 25, 2026 - 01:00 vuln.today
EUVD ID Assigned
Mar 25, 2026 - 01:00 euvd
EUVD-2026-15058
CVE Published
Mar 25, 2026 - 00:35 nvd
HIGH 7.1

Tags

Apple Use After Free Memory Corruption Denial Of Service macOS iOS

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, watchOS 26.4. An app may be able to cause unexpected system termination or write kernel memory.

Analysis

Apple's iOS, iPadOS, macOS, tvOS, and watchOS contain a use-after-free vulnerability that could allow a local attacker to corrupt kernel memory or cause unexpected system crashes. An installed application can trigger this memory corruption flaw through user interaction, potentially leading to denial of service or unauthorized kernel-level modifications. …

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Remediation

Within 7 days: Identify all affected systems and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.

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Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +36
POC: 0

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CVE-2026-20687 vulnerability details – vuln.today
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