CVE-2026-20621

MEDIUM EPSS 3.1%
Published Feb 11, 20264mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Feb 11, 2026 4mo ago
Last Modified Jun 17, 2026 1w ago

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. An app may be able to cause unexpected system termination or corrupt kernel memory.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
3.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety

Affected Products 5

VendorProductVersionRange
appleipados* <26.3
appleiphone_os* <26.3
applemacos* <14.8.4
applemacos*≥15.0  –  <15.7.4
applemacos*≥26.0  –  <26.3

References 6

  • support.apple.com https://support.apple.com/en-us/126346
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/126347
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/126348
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/126349
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/126350
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/126353
    Release NotesVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.