CVE-2026-43666

MEDIUM EPSS 4.3%
Published May 11, 20261mo ago · Modified Jun 17, 20261w ago
6.2 CVSS 3.1
Medium
Find Similar
Published May 11, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An attacker on the local network may be able to cause a denial-of-service.

CVSS Details

Base Score
6.2
Exploitability
2.5
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
4.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 10

VendorProductVersionRange
appleipados* <18.7.9
appleipados*≥26.0  –  <26.5
appleiphone_os* <18.7.9
appleiphone_os*≥26.0  –  <26.5
applemacos*≥14.0  –  <14.8.7
applemacos*≥15.0  –  <15.7.7
applemacos*≥26.0  –  <26.5
appletvos* <26.5
applevisionos* <26.5
applewatchos* <26.5

References 8

  • support.apple.com https://support.apple.com/en-us/127110
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/127111
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/127115
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/127116
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/127117
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/127118
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/127119
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/127120
    Release NotesVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.