Use-After-Free Vulnerability in Apple Operating Systems
CVE-2026-28883

7.5HIGH

Key Information:

Vendor

Apple
Status
Safari
iOS And iPad OS
Mac OS
TV OS
Vendor
CVE Published:
11 May 2026

What is CVE-2026-28883?

A use-after-free vulnerability in Apple operating systems was identified and addressed through improved memory management techniques. When processing maliciously crafted web content, this vulnerability poses a risk of causing unexpected process crashes, potentially affecting user experience and system stability. Users and organizations are encouraged to update their devices to the latest versions to mitigate this issue.

Affected Version(s)

iOS and iPadOS 0 < 26.5

macOS 0 < 26.5

Safari 0 < 26.5

References

https://support.apple.com/en-us/127110
https://support.apple.com/en-us/127115
https://support.apple.com/en-us/127118

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.