CVE-2026-20605: Apple iOS and iPadOS · An app may be able to crash a system process
Affects Apple iOS and iPadOSSource CVE Database V5
Not known to be exploited · CVSS 4.6 Medium : upgrade to 18.7.5 when convenient.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 19% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 18.7.5, 26.3, 15.7.4 +1
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 11 Feb 2026
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
Upgrade iOS and iPadOS to 18.7.5; macOS to 26.3, 15.7.4 or 14.8.4.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AppleiOS and iPadOS | Affected
| Fixed in
|
| ApplemacOS | Affected
| Fixed in
|
AI-suggested
Organizations should ensure all Apple devices are updated promptly to iOS 18.7.5, iPadOS 18.7.5, or the corresponding macOS versions that include the fix. Implement strict app installation policies to restrict installation of untrusted or unauthorized applications, minimizing the risk of malicious apps exploiting this vulnerability. Employ Mobile Device Management (MDM) solutions to enforce patch compliance and monitor device health. Conduct regular audits of installed apps and remove any suspicious or unnecessary software. Educate users about the risks of installing apps from unverified sources. In environments where availability is critical, consider additional endpoint protection measures that can detect abnormal process crashes or behavior indicative of exploitation attempts. Maintain backups and incident response plans to quickly recover from potential denial-of-service impacts.
Description
The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An app may be able to crash a system process.