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CVE-2026-20605VulnerabilityPublished Updated

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

0

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

CVSS 3.1 base score
4.6Medium
How severe the flaw is on the 0–10 CVSS scale.
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:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Feb 2026

  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 iOS and iPadOS to 18.7.5; macOS to 26.3, 15.7.4 or 14.8.4.

Affected software

ProductAffectedFixed in
AppleiOS and iPadOSAffected
  • <18.7.5
Fixed in
  • 18.7.5
ApplemacOSAffected
  • <14.8.4
  • <15.7.4
  • <26.3
Fixed in
  • 26.3
  • 15.7.4
  • 14.8.4

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.

References

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