Reference page — cumulative record through Wednesday, October 7, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-20700
Apple Multiple Products
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U H H H 7.8 .0137 71.1 YES
AFFECTED
Product Versions Fixed
iOS and iPadOS unspecified —
macOS unspecified —
tvOS unspecified —
visionOS unspecified —
watchOS unspecified —
TIMELINE
Nov 11 Reserved by apple
Feb 11 Published (CNA: apple)
Feb 12 Added to CISA KEV, remediation due 2026-03-05
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| November 11, 2025 | Reserved | Reserved by apple |
| February 11, 2026 | Published | Published (CNA: apple) |
| February 12, 2026 | KEV ADDED | Added to CISA KEV, remediation due 2026-03-05 |
Affected
Affected products and packages — 5 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Apple | iOS and iPadOS | — | — | — |
| Apple | macOS | — | — | — |
| Apple | tvOS | — | — | — |
| Apple | visionOS | — | — | — |
| Apple | watchOS | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-20700 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, October 7, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.