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VulnerabilityPublished Updated

CVE-2024-40817: Apple Safari · Clickjacking

Affects Apple SafariSource CVE Database V5

0

Not known to be exploited · CVSS 6.1 Medium · fixed in 17.6 : update Apple Safari when convenient.

Data as of 26 Oct 2026, 11:07 UTC

CVSS 3.1 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.6% chance of exploitation in 30 days – higher than 52% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 17.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Jul 2024

  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 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Apple SafariAffected
  • =0
Fixed in–

AI-suggested

To mitigate CVE-2024-40817, organizations and users should promptly update Safari to version 17.6 or later and ensure macOS is updated to the fixed versions (Monterey 12.7.6, Sonoma 14.6, Ventura 13.6.8). Beyond patching, organizations should implement web filtering solutions to block access to known malicious websites and employ DNS filtering to reduce exposure to phishing domains. User awareness training focused on recognizing phishing attempts and suspicious URLs can reduce the risk of user interaction with malicious content. Deploying endpoint protection that monitors browser behavior for anomalies may help detect exploitation attempts. Network-level protections such as intrusion detection systems (IDS) and web proxies configured to inspect and block malicious framing or content injection can provide additional defense layers. Organizations should also consider implementing multi-factor authentication (MFA) to mitigate the impact of credential theft resulting from UI spoofing attacks. Regular security assessments and penetration testing can help identify if similar UI spoofing vectors exist in internal web applications.

Description

The issue was addressed with improved UI handling. This issue is fixed in Safari 17.6, macOS Monterey 12.7.6, macOS Sonoma 14.6, macOS Ventura 13.6.8. Visiting a website that frames malicious content may lead to UI spoofing.

References

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