Threat Intelligence / CVE / CVE-2026-65414

CVE-2026-65414 — Apple iOS and iPadOS

CVSS v3.1 9.8 (CRITICAL) · EPSS 0.9% (higher than 60.6% of all scored CVEs) · Priority 7.3/10 · Published 2026-09-14

As of 2026-09-16, CVE-2026-65414 is a CRITICAL-severity vulnerability in Apple iOS and iPadOS, CVSS v3.1 9.8, EPSS 0.9% (60.6th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-65414, most recently “Apple Ships 273-CVE Coordinated Security Update Across iOS 27, macOS, watchOS, tvOS, visionOS, Safari, and Xcode — Bundles a Previously KEV-Listed Pre-Auth Screen Sharing RCE”.

Last updated: 2026-09-16

What is CVE-2026-65414?

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. A remote attacker may be able to cause unexpected app termination or arbitrary code execution.

The record classifies CVE-2026-65414 under weakness class CWE-787. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 5 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 4 days ago.

Severity and exploitation probability

CVSS v3.1 base score: 9.8 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (FIRST): 0.9% probability of exploitation in the next 30 days, higher than 60.6% of all scored CVEs
CISA KEV: Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority: 7.3/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published: 2026-09-14, last modified 2026-09-16

Is CVE-2026-65414 being exploited?

No public exploitation evidence for CVE-2026-65414 is recorded in the sources Threadlinqs tracks — CISA KEV, Exploit-DB, public proof-of-concept repositories and ProjectDiscovery Nuclei — as of 2026-09-16. That is an absence of evidence in those feeds, not a guarantee that the vulnerability is unexploited.

Affected products and versions

Apple: iOS and iPadOS, macOS, tvOS, visionOS, watchOS

How to fix CVE-2026-65414

Vendor advisory: https://support.apple.com/en-us/149034. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2026-65414

1 tracked threat in the Threadlinqs corpus references CVE-2026-65414, either in the campaign’s CVE list or as an indicator on the campaign record.

Apple Ships 273-CVE Coordinated Security Update Across iOS 27, macOS, watchOS, tvOS, visionOS, Safari, and Xcode — Bundles a Previously KEV-Listed Pre-Auth Screen Sharing RCE — CRITICAL · 2026-09-15

Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-09-16. This product uses the NVD API but is not endorsed or certified by the NVD.

Other references

Showing 5 of 8 recorded references.

Full detection coverage & IOCs for threats exploiting CVE-2026-65414 are available via the Threadlinqs MCP server (Purple tier). View plans →

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