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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-20700 Detail

Description

A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 and iPadOS 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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://support.apple.com/en-us/126346 Apple Inc. Release Notes  Vendor Advisory 
https://support.apple.com/en-us/126348 Apple Inc. Release Notes  Vendor Advisory 
https://support.apple.com/en-us/126351 Apple Inc. Release Notes  Vendor Advisory 
https://support.apple.com/en-us/126352 Apple Inc. Release Notes  Vendor Advisory 
https://support.apple.com/en-us/126353 Apple Inc. Release Notes  Vendor Advisory 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20700 CISA-ADP

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name Date Added Due Date Required Action
Apple Multiple Buffer Overflow Vulnerability 02/12/2026 03/05/2026 Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-20700
NVD Published Date:
02/11/2026
NVD Last Modified:
02/12/2026
Source:
Apple Inc.