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-2026-84533

CVE-2026-84533MEDIUM

Apple iOS and iPadOS — A cryptographic issue was addressed with improved integrity checks.

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   A   H   N   N  U  N  H  N    5.3   .0016    5.1     —

AFFECTED
  Product         Versions     Fixed
  iOS and iPadOS  unspecified  —
  macOS           unspecified  —
  tvOS            unspecified  —
  watchOS         unspecified  —

TIMELINE
  Sep 1   Reserved by apple
  Sep 14  Published (CNA: apple)
  Sep 16  ENRICHED — CVE-2026-84533 (Apple iOS and iPadOS). Received CVSS 5.3 and CPE data from NVD.

CWE-353 · CNA: apple · CVSS v3.1 · 4 references · NVD status: Modified

Description

A cryptographic issue was addressed with improved integrity checks. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, watchOS 27. An attacker in a privileged network position may be able to modify network traffic.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
September 1, 2026	Reserved	Reserved by apple
September 14, 2026	Published	Published (CNA: apple)
September 16, 2026	ENRICHED	ENRICHED — CVE-2026-84533 (Apple iOS and iPadOS). Received CVSS 5.3 and CPE data from NVD.

Affected

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

Weaknesses

CWE-353

References (4)

https://support.apple.com/en-us/149034 [Release Notes, Vendor Advisory]
https://support.apple.com/en-us/149035 [Release Notes, Vendor Advisory]
https://support.apple.com/en-us/149036 [Release Notes, Vendor Advisory]
https://support.apple.com/en-us/149037 [Release Notes, Vendor Advisory]

Authoritative record: CVE-2026-84533 at cve.org

Vendors: apple

Weaknesses: CWE-353

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-84533 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.