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Apple iOS, iPadOS, macOS, tvOS, visionOS, watchOS CVE-2026-28956

| EUVD-2026-29261 MEDIUM
Out-of-bounds Read (CWE-125)
2026-05-11 apple GHSA-f3j7-jqj9-3m57
6.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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 12, 2026 - 18:25 vuln.today
CVSS changed
May 12, 2026 - 18:22 NVD
6.5 (MEDIUM)
Patch available
May 11, 2026 - 22:18 EUVD
CVE Published
May 11, 2026 - 20:08 nvd
UNKNOWN (no severity yet)
CVE Published
May 11, 2026 - 20:08 nvd
MEDIUM 6.5

DescriptionNVD

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

AnalysisAI

Memory corruption in Apple operating systems allows remote attackers to trigger unexpected app termination or corrupt process memory by delivering a maliciously crafted media file to users, requiring user interaction to open the file. Affects iOS/iPadOS 26.4 and earlier, macOS Sequoia 15.7.6 and earlier, macOS Sonoma 14.8.6 and earlier, macOS Tahoe 26.4 and earlier, tvOS 26.4 and earlier, visionOS 26.4 and earlier, and watchOS 26.4 and earlier. …

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CVE-2026-28956 vulnerability details – vuln.today

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