Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-43697

CVE-2026-43697HIGH

Apple macOS — An out-of-bounds read was addressed with improved bounds checking.

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   N   R  U  H  N  H    7.1   .0031   21.9     —

AFFECTED
  Product  Versions     Fixed
  macOS    unspecified  —

TIMELINE
  May 1   Reserved by apple
  Sep 14  Published (CNA: apple)
  Sep 17  RESCORED — CVE-2026-43697 (Apple macOS). CVSS 4.3 → 7.1 (NVD).

CWE-125 · CNA: apple · CVSS v3.1 · 3 references · NVD status: Modified

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Processing a maliciously crafted 3D file may lead to an out-of-bounds read.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
May 1, 2026	Reserved	Reserved by apple
September 14, 2026	Published	Published (CNA: apple)
September 17, 2026	RESCORED	RESCORED — CVE-2026-43697 (Apple macOS). CVSS 4.3 → 7.1 (NVD).

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Apple	macOS	—	—	—

Weaknesses

CWE-125

References (3)

https://support.apple.com/en-us/149035 [Release Notes, Vendor Advisory]
https://support.apple.com/en-us/149042 [Release Notes, Vendor Advisory]
https://support.apple.com/en-us/149043 [Release Notes, Vendor Advisory]

Authoritative record: CVE-2026-43697 at cve.org

Vendors: apple

Weaknesses: CWE-125

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-43697 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 Sunday, October 4, 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.