🛡️ CVE-2026-39868 — ipados

🔴 CVSS 9.1 — Critical ✅ No Known Exploit CWE-20 NVD
9.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

This issue was addressed with improved input validation. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination or corrupt kernel memory.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity high, availability high.

Weakness class

CVE-2026-39868 is classified as CWE-20: Improper Input Validation. The application accepts input without checking that it has the expected form, so malformed values reach code that assumes they are well formed.

Affected software

CVE-2026-39868 is recorded against 3 packages.

  • ipados (fixed in 26.5.2)
  • iphone-os (fixed in 26.5.2)
  • macos (fixed in 26.5.2)

Timeline and source

Published on 29 June 2026 and last revised on 27 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

support.apple.com
support.apple.com
support.apple.com
support.apple.com
support.apple.com
support.apple.com
support.apple.com

Details

Severity CRITICAL
CVSS Score 9.1
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CWE CWE-20
Public Exploit ✅ No
Source NVD
Published 2026-06-29
Updated 2026-08-11
Modified 2026-07-27
Fix URL N/A

Affected Packages

Software From version Fixed in
ipados — 26.5.2
iphone-os — 26.5.2
macos — 26.5.2

Similar Threats

Exploit Protection

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CVE-2026-39868 carries CVSS 9.1 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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