Apple Multiple Products WebKit Sandbox Escape Vulnerability

HIGH 8.6EXPLOITED (CISA KEV)CVE-2023-32409 · Published 23/06/2023 · updated 17/06/2026

Apple Multiple Products WebKit Sandbox Escape Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 22/05/2023. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
safari apple	`< 16.5`	`16.5`

Description

The issue was addressed with improved bounds checks. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.8 and iPadOS 15.7.8, Safari 16.5, iOS 16.5 and iPadOS 16.5. A remote attacker may be able to break out of Web Content sandbox. Apple is aware of a report that this issue may have been actively exploited.

References

support.apple.com/en-us/HT213757 · Vendor Advisory
support.apple.com/en-us/HT213758 · Vendor Advisory
support.apple.com/en-us/HT213761 · Vendor Advisory
support.apple.com/en-us/HT213762 · Vendor Advisory
support.apple.com/en-us/HT213764 · Vendor Advisory
support.apple.com/en-us/HT213842 · Vendor Advisory
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2023-32409

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