CVE-2026-28858

| EUVD-2026-15131 CRITICAL
2026-03-25 apple
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
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-2026-15131
CVE Published
Mar 25, 2026 - 00:32 nvd
CRITICAL 9.8

Tags

Apple Buffer Overflow iOS

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote user may be able to cause unexpected system termination or corrupt kernel memory.

Analysis

Insufficient bounds checking in Apple iOS and iPadOS 26.4 allows unauthenticated remote attackers to trigger buffer overflow conditions that corrupt kernel memory or cause system crashes without user interaction. This critical vulnerability affects all devices running the affected OS versions and has no available patch. …

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Remediation

Within 24 hours: Identify all affected systems and apply vendor patches immediately. If patching is delayed, consider network segmentation to limit exposure.

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Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +49
POC: 0

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CVE-2026-28858 vulnerability details – vuln.today
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