Memory Handling Vulnerability in Apple Products
CVE-2026-20636

6.5MEDIUM

Key Information:

Vendor

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

What is CVE-2026-20636?

A vulnerability has been identified in the memory handling of various Apple products, which could result in unexpected crashes when processing maliciously crafted web content. This issue has been effectively addressed in the latest software updates for iOS, iPadOS, Safari, macOS, and visionOS. Users are encouraged to apply these updates to enhance their security and ensure stable performance.

Affected Version(s)

iOS and iPadOS 0 < 26.3

macOS 0 < 26.3

Safari 0 < 26.3

References

https://support.apple.com/en-us/126346
https://support.apple.com/en-us/126348
https://support.apple.com/en-us/126353

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.