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CVE-2023-40417VulnerabilityPublished Updated

CVE-2023-40417: Apple iOS and iPadOS · Visiting a website that frames malicious content may lead to UI spoofing

Affects Apple iOS and iPadOSSource CVE Database V5

0

Not known to be exploited : upgrade to 17 when convenient.

Data as of 25 Oct 2026, 21:58 UTC

Severity
Medium

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

EPSS
0.9% chance of exploitation in 30 days – higher than 60% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 17

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 2026-10-25.

What to do

Upgrade Apple iOS and iPadOS to 17.

Affected software

ProductAffectedFixed in
Apple iOS and iPadOSAffected
  • <17
Fixed in
  • 17

AI-suggested

A fix is available in iOS 17, iPadOS 17, and Safari 17. Users and administrators should update affected devices to these versions or later to remediate the vulnerability.

Description

CVE-2023-40417 is a vulnerability in Apple iOS and iPadOS that allows UI spoofing when a user visits a website that frames malicious content. The issue stems from a window management flaw that has been addressed with improved state management. This vulnerability is fixed in Safari 17, iOS 17, and iPadOS 17.

References

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