CVE-2026-20700

HIGH CISA KEV EPSS 67.3%
Published Feb 11, 20264mo ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Feb 11, 2026 4mo ago
Last Modified Jun 17, 2026 1w ago
KEV Listed Feb 12, 2026 4mo ago
KEV Due Mar 5, 2026 116d overdue

Description

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

CISA Known Exploited Overdue 116d
Added
Feb 12, 2026
Due
Mar 5, 2026

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

EPSS Exploit Probability
67.3% percentile
Exploit & Patch Status
Actively Exploited (KEV)
No Patch Available

Weaknesses 1

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

Affected Products 6

VendorProductVersionRange
appleipados* <26.3
appleiphone_os* <26.3
applemacos* <26.3
appletvos* <26.3
applevisionos* <26.3
applewatchos* <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/126348
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/126351
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/126352
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/126353
    Release NotesVendor Advisory
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20700
    US Government Resource

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.