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CVE-2023-40448VulnerabilityPublished Updated

CVE-2023-40448: Apple iOS and iPadOS · A remote attacker may be able to break out of Web Content sandbox

Affects Apple iOS and iPadOSSource CVE Database V5

0

Not known to be exploited.

Data as of 26 Oct 2026, 06:26 UTC

Severity
High

Rated High by the CNA (apple) · No CVSS score from NVD or the CNA

EPSS
2.1% chance of exploitation in 30 days – higher than 82% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 Sep 2023

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

AI-suggested

A fix is available and has been released by Apple in iOS 16.7, iPadOS 16.7, tvOS 17, watchOS 10, iOS 17, iPadOS 17, and macOS Sonoma 14. Users and administrators should update affected Apple devices to these versions or later to mitigate this vulnerability.

Description

CVE-2023-40448 is a vulnerability in Apple iOS and iPadOS where a remote attacker may be able to break out of the Web Content sandbox. The issue was addressed by Apple through improved handling of protocols and fixed in multiple Apple operating system versions including iOS 16.7, iPadOS 16.7, tvOS 17, watchOS 10, iOS 17, iPadOS 17, and macOS Sonoma 14.

References

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