CVE-2026-20620

HIGH EPSS 9.8%
Published Feb 11, 20264mo ago · Modified Jun 17, 20261w ago
7.7 CVSS 3.1
High
Find Similar
Published Feb 11, 2026 4mo ago
Last Modified Jun 17, 2026 1w ago

Description

An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An attacker may be able to cause unexpected system termination or read kernel memory.

CVSS Details

Base Score
7.7
Exploitability
2.5
Impact
5.2
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
9.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-125 Out-of-bounds Read Memory Safety

Affected Products 3

VendorProductVersionRange
applemacos*≥14.0  –  <14.8.4
applemacos*≥15.0  –  <15.7.4
applemacos*≥26.0  –  <26.3

References 3

  • 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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.