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-2023-43000

CVE-2023-43000HIGH

Apple Multiple Products

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   R  U  H  H  H    8.8   .0404   90.3   YES

AFFECTED
  Product         Versions       Fixed
  macOS           unspecified –  —
  iOS and iPadOS  unspecified –  —
  Safari          unspecified –  —
  iOS and iPadOS  unspecified –  —

TIMELINE
  Sep 14  Reserved by apple
  Nov 5   Published (CNA: apple)
  Mar 5   Added to CISA KEV, remediation due 2026-03-26
  Sep 21  EXPLOIT PUBLISHED — CVE-2023-43000 (Apple macOS). Public exploit reference added.

CWE-416 · CNA: apple · CVSS v3.1 · 6 references · NVD status: Analyzed · KEV due March 26, 2026

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
September 14, 2023	Reserved	Reserved by apple
November 5, 2025	Published	Published (CNA: apple)
March 5, 2026	KEV ADDED	Added to CISA KEV, remediation due 2026-03-26
September 21, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2023-43000 (Apple macOS). Public exploit reference added.

Affected

Affected products and packages — 4 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Apple	macOS	—	unspecified	—
Apple	iOS and iPadOS	—	unspecified	—
Apple	Safari	—	unspecified	—
Apple	iOS and iPadOS	—	unspecified	—

Weaknesses

CWE-416

References (6)

https://cloud.google.com/blog/topics/threat-intelligence/coruna-powerful-ios-exploit-kit [Exploit, Third Party Advisory]
https://support.apple.com/en-us/120324 [Release Notes, Vendor Advisory]
https://support.apple.com/en-us/120331 [Release Notes, Vendor Advisory]
https://support.apple.com/en-us/120338 [Release Notes, Vendor Advisory]
https://support.apple.com/en-us/126632 [Release Notes, Vendor Advisory]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-43000 [US Government Resource]

Authoritative record: CVE-2023-43000 at cve.org

Vendors: apple

Weaknesses: CWE-416

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-43000 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.