CVE-2026-28946
Medium
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5, macOS Tahoe 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Apple Macos
PublishedMay 11, 2026
First seenMay 11, 2026
Weakness typeCWE-416Use after free
How to fix
Update
- apple macos26.5 or later
Vendor advisories
- access.redhat.com/errata/RHSA-2026:27728
- access.redhat.com/errata/RHSA-2026:25918
- access.redhat.com/errata/RHSA-2026:27785
- access.redhat.com/errata/RHSA-2026:28114
- access.redhat.com/errata/RHSA-2026:27804
- access.redhat.com/errata/RHSA-2026:28148
- access.redhat.com/errata/RHSA-2026:28146
- access.redhat.com/errata/RHSA-2026:28147
- access.redhat.com/errata/RHSA-2026:25927
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple macos | 26.0 ≤ v < 26.5 | 26.5 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.