CVE-2023-28205

KEVApple Multiple Products WebKit Use-After-Free Vulnerability

Description

Apple iOS, iPadOS, macOS, and Safari WebKit contain a use-after-free vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 16.4.1, iOS 15.7.5 and iPadOS 15.7.5, iOS 16.4.1 and iPadOS 16.4.1, macOS Ventura 13.3.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

CVSS 3.1 vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

PublishedApr 10, 2023

Last modifiedJun 17, 2026

Added to KEVApr 10, 2023

Remediation dueMay 1, 2023

References

support.apple.com/en-us/HT213720Release Notes
support.apple.com/en-us/HT213721Release Notes
support.apple.com/en-us/HT213722Release Notes
support.apple.com/en-us/HT213723Release Notes
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28205US Government Resource

0 recent articles mention this CVE

Risk assessment · High

Actively exploited. Patch immediately.

Exploitation: Confirmed in the wild (CISA KEV)
Federal remediation deadline: Overdue by 1275 days
CVSS: 8.8 HIGH
EPSS (30-day exploit probability): 27.1% · top 2% of all CVEs
Weakness: CWE-416
Attack vector: Network, remotely reachable

Recommended actions

1.Apply updates per vendor instructions.
2.Treat as emergency change: patch or isolate internet-facing instances first.
3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.

Assessment is derived automatically from the live signals above; verify against your own asset inventory.