Use-After-Free Vulnerability in Safari on macOS by Apple
CVE-2026-28946

6.5MEDIUM

Key Information:

Vendor

Apple
Status
Safari
Mac OS
Vendor
CVE Published:
11 May 2026

What is CVE-2026-28946?

A use-after-free vulnerability in Safari allows maliciously crafted web content to exploit memory management flaws, potentially causing the browser to crash unexpectedly. Users of macOS Tahoe 26.5 are advised to update to the latest version to mitigate this risk.

Affected Version(s)

macOS 0 < 26.5

Safari 0 < 26.5

References

https://support.apple.com/en-us/127115
https://support.apple.com/en-us/127121

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

.