Memory Handling Vulnerability in Apple's macOS, iOS, and Safari
CVE-2026-20652

7.5HIGH

Key Information:

Vendor

Apple
Status
Safari
Mac OS
Visionos
iOS And iPad OS
Vendor
CVE Published:
11 February 2026

What is CVE-2026-20652?

A significant memory handling issue has been identified in several Apple products, enabling the possibility for remote attackers to initiate a denial-of-service attack. This vulnerability could allow unauthorized users to disrupt system operations, making timely updates and user awareness critical for maintaining security. Apple has addressed this issue with enhancements in memory management across affected platforms, including macOS, iOS, iPadOS, and Safari, highlighting the importance of keeping systems up-to-date.

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Affected Version(s)

iOS and iPadOS < 26.3

iOS and iPadOS < 18.7

macOS < 26.3

References

https://support.apple.com/en-us/126354
https://support.apple.com/en-us/126348
https://support.apple.com/en-us/126353

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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