Web Content Processing Flaw in Apple Safari and iOS Products
CVE-2026-20664

4.3MEDIUM

Key Information:

Vendor

Apple
Status
Safari
iOS And iPad OS
Mac OS
Visionos
Vendor
CVE Published:
25 March 2026

What is CVE-2026-20664?

Apple has addressed a memory handling flaw that could result in unexpected process crashes when processing specially crafted web content. This vulnerability affects users of Safari and iOS products, necessitating updates to ensure optimal security and performance. Apple has released fixes in the latest versions of Safari, iOS, iPadOS, macOS Tahoe, and visionOS, underscoring the importance of keeping software up to date to mitigate potential risks from such vulnerabilities.

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Deploy the Patch

Affected Version(s)

iOS and iPadOS 0 < 26.4

macOS 0 < 26.4

Safari 0 < 26.4

References

https://support.apple.com/en-us/126792
https://support.apple.com/en-us/126794
https://support.apple.com/en-us/126799

CVSS V3.1

Score:
4.3
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

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