CVE-2026-20700

CVE Enrichment

CVSS: 7.8 HIGH
EPSS: 1.39%
EPSS Percentile: 71.87%
CISA KEV: YES — Known Exploited Vulnerability

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.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: [email protected]
Published: 12-Feb-2026 06:16
Last Modified: 17-Jun-2026 17:17
EPSS Date: 2026-10-16
CWE: CWE-119

CVSS Vector


            CVSS:3.1                            AV:L /
                            AC:L /
                            PR:L /
                            UI:N /
                            S:U /
                            C:H /
                            I:H /
                            A:H

CISA KEV Details

Date Added: 2026-02-12
Remediation Due: 2026-03-05
Known Ransomware Campaign Use: Unknown
Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes: https://support.apple.com/en-us/126346 ; https://support.apple.com/en-us/126348 ; https://support.apple.com/en-us/126351 ; https://support.apple.com/en-us/126352 ; https://support.apple.com/en-us/126353 ; https://nvd.nist.gov/vuln/detail/CVE-2026-20700

Affected Products / Versions

apple / ipados
Version / affected range: * · before (exclusive) 26.3
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple / iphone_os
Version / affected range: * · before (exclusive) 26.3
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple / macos
Version / affected range: * · before (exclusive) 26.3
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
apple / tvos
Version / affected range: * · before (exclusive) 26.3
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
apple / visionos
Version / affected range: * · before (exclusive) 26.3
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
apple / watchos
Version / affected range: * · before (exclusive) 26.3
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

References

Last enrichment sync: 23-Oct-2026 01:25
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

The flaw, tracked as CVE-2026-20700, affects a wide range of Apple devices and was patched with improved bounds checking in iOS, iPadOS, and macOS. Apple Patches CoreGraphics Zero-Day Reportedly Used in Targeted Attacks

Vendors (1)

Products (4)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.