CVE-2024-40799: Apple iOS and iPadOS · Processing a maliciously crafted file may lead to unexpected app termination
Affects Apple iOS and iPadOSSource CVE Database V5
Not known to be exploited · CVSS 7.1 High · fixed in 16.7.9 : patch Apple iOS and iPadOS soon.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 36% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 16.7.9
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 29 Jul 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Apple iOS and iPadOS | Affected
| Fixed in– |
AI-suggested
Organizations and users should promptly apply the security updates released by Apple for iOS 16.7.9, iOS 17.6, iPadOS 16.7.9, macOS Monterey 12.7.6, Ventura 13.6.8, Sonoma 14.6, tvOS 17.6, visionOS 1.3, and watchOS 10.6. Beyond patching, implement strict file handling policies to limit opening files from untrusted or unknown sources. Employ endpoint protection solutions capable of detecting anomalous file processing behaviors. Educate users on the risks of opening unsolicited or suspicious files, especially from email attachments or messaging apps. Use network-level controls to block or quarantine potentially malicious files before reaching endpoints. Monitor application crash logs and unusual app terminations as potential indicators of exploitation attempts. For high-security environments, consider restricting file types that can be processed or opened by vulnerable applications until patches are applied.
Description
An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in iOS 16.7.9 and iPadOS 16.7.9, iOS 17.6 and iPadOS 17.6, macOS Monterey 12.7.6, macOS Sonoma 14.6, macOS Ventura 13.6.8, tvOS 17.6, visionOS 1.3, watchOS 10.6. Processing a maliciously crafted file may lead to unexpected app termination.
References
- support.apple.com/en-us/120908 (opens in a new tab)
- support.apple.com/en-us/120909 (opens in a new tab)
- support.apple.com/en-us/120910 (opens in a new tab)
- support.apple.com/en-us/120911 (opens in a new tab)
- support.apple.com/en-us/120912 (opens in a new tab)
- support.apple.com/en-us/120914 (opens in a new tab)
- support.apple.com/en-us/120915 (opens in a new tab)
- support.apple.com/en-us/120916 (opens in a new tab)
- support.apple.com/en-us/HT214117 (opens in a new tab)
- support.apple.com/en-us/HT214116 (opens in a new tab)
- support.apple.com/en-us/HT214120 (opens in a new tab)
- support.apple.com/en-us/HT214124 (opens in a new tab)
- support.apple.com/en-us/HT214119 (opens in a new tab)
- support.apple.com/en-us/HT214123 (opens in a new tab)
- support.apple.com/en-us/HT214122 (opens in a new tab)
- support.apple.com/en-us/HT214118 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Jul/16 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Jul/23 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Jul/21 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Jul/20 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Jul/17 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Jul/22 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Jul/18 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Jul/19 (opens in a new tab)
- support.apple.com/kb/HT214124 (opens in a new tab)
- support.apple.com/kb/HT214122 (opens in a new tab)
- support.apple.com/kb/HT214120 (opens in a new tab)
- support.apple.com/kb/HT214119 (opens in a new tab)
- support.apple.com/kb/HT214118 (opens in a new tab)
- support.apple.com/kb/HT214117 (opens in a new tab)
- support.apple.com/kb/HT214116 (opens in a new tab)