CVE-2023-32409
Apple Multiple Products WebKit Sandbox Escape Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 12 June 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 8.6 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
- EPSS
- 16.53% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 22 May 2023 · due 12 June 2023
- Affected
- apple/safari · apple/ipados · apple/iphone os · apple/macos · apple/tvos · apple/watchos
- Source
- product-security@apple.com
EPSS 16.5% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://support.apple.com/HT213757, https://support.apple.com/HT213758, https://support.apple.com/HT213761, https://support.apple.com/HT213762, https://support.apple.com/HT213764, https://support.apple.com/HT213765; https://nvd.nist.gov/vuln/detail/CVE-2023-32409
References
- https://support.apple.com/en-us/HT213757Vendor Advisory
- https://support.apple.com/en-us/HT213758Vendor Advisory
- https://support.apple.com/en-us/HT213761Vendor Advisory
- https://support.apple.com/en-us/HT213762Vendor Advisory
- https://support.apple.com/en-us/HT213764Vendor Advisory
- https://support.apple.com/en-us/HT213842Vendor Advisory
- https://support.apple.com/en-us/HT213757Vendor Advisory
- https://support.apple.com/en-us/HT213758Vendor Advisory
- https://support.apple.com/en-us/HT213761Vendor Advisory
- https://support.apple.com/en-us/HT213762Vendor Advisory
- https://support.apple.com/en-us/HT213764Vendor Advisory
- https://support.apple.com/en-us/HT213842Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32409US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.