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Apple iOS, iPadOS, macOS, tvOS, visionOS, watchOS CVE-2026-28942

| EUVDEUVD-2026-29251 MEDIUM
Use After Free (CWE-416)
2026-05-11 apple GHSA-2m37-4h9f-8wcf
Denial Of Service Apple Use After Free Memory Corruption Ios And Ipados Tvos Visionos Watchos
6.5
CVSS 3.1 · Vendor: apple
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Severity by source

Vendor (apple) PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SUSE
MEDIUM
qualitative
Red Hat
8.8 HIGH
qualitative

Primary rating from Vendor (apple).

CVSS VectorVendor: apple

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

5
Analysis Generated
May 13, 2026 - 16:23 vuln.today
CVSS changed
May 13, 2026 - 16:22 NVD
6.5 (MEDIUM)
Patch available
May 11, 2026 - 22:03 EUVD
CVE Published
May 11, 2026 - 20:07 nvd
UNKNOWN (no severity yet)
CVE Published
May 11, 2026 - 20:07 nvd
MEDIUM 6.5

DescriptionCVE.org

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.

AnalysisAI

Safari on Apple platforms crashes when processing maliciously crafted web content due to a use-after-free vulnerability in memory management, resulting in denial of service. Affects iOS and iPadOS below 26.5, macOS Tahoe below 26.5, tvOS below 26.5, visionOS below 26.5, and watchOS below 26.5. Exploitation requires user interaction to visit a malicious webpage but does not allow code execution or information disclosure.

Technical ContextAI

This vulnerability is a use-after-free (CWE-416) memory safety issue in Apple's Safari browser engine. Use-after-free bugs occur when a program references memory that has been previously freed, potentially causing the application to crash or behave unpredictably when attempting to access deallocated memory regions. In this case, the flaw exists in Safari's web content processing pipeline-likely in rendering, JavaScript execution, or DOM manipulation-where improper memory lifecycle management allows freed memory to be accessed. The vulnerability affects Safari's WebKit engine across all major Apple operating systems (iOS, iPadOS, macOS, tvOS, visionOS, watchOS), indicating the flaw is in shared core browser infrastructure. The CVSS vector AV:N/AC:L/PR:N/UI:R indicates the vulnerability requires network delivery of malicious content but needs user interaction (clicking a link, visiting a site).

RemediationAI

Update to the latest security patch immediately: iOS and iPadOS 26.5 or later, macOS Tahoe 26.5 or later, tvOS 26.5 or later, visionOS 26.5 or later, and watchOS 26.5 or later. Patches are available via Settings > General > Software Update on iOS/iPadOS/watchOS devices, System Settings > General > Software Update on macOS, and the corresponding settings on tvOS and visionOS. As a temporary compensating control, restrict users' ability to visit untrusted websites or disable Safari on devices where alternative browsers are available; however, this is operationally restrictive and not recommended long-term. Prioritize patch deployment for shared devices, public kiosks, and high-risk user populations. No configuration changes or feature toggles mitigate this vulnerability-patching is the only effective remedy. Vendor advisory links are provided at https://support.apple.com/en-us/127110 (iOS/iPadOS), https://support.apple.com/en-us/127115 (macOS), https://support.apple.com/en-us/127118 (tvOS), https://support.apple.com/en-us/127119 (visionOS), and https://support.apple.com/en-us/127120 (watchOS).

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Vendor StatusVendor

SUSE

Severity: Medium
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 Fixed
SUSE Linux Enterprise Module for Basesystem 15 SP7 Fixed
SUSE Linux Enterprise Module for Desktop Applications 15 SP7 Fixed
SUSE Linux Enterprise Module for Development Tools 15 SP7 Fixed

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CVE-2026-28942 vulnerability details – vuln.today
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