# CVE-2026-64753 — Apple Safari

> As of 2026-09-15, CVE-2026-64753 is a MEDIUM-severity vulnerability in Apple Safari, CVSS v3.1 6.5, EPSS 0.2% (20.7th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-64753, 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:** 2026-09-15

## What is CVE-2026-64753?

A permissions issue was addressed by removing the vulnerable code. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may disclose sensitive user information.

The record classifies CVE-2026-64753 under weakness class [CWE-269](https://intel.threadlinqs.com/cwe/CWE-269). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first, and has high impact on confidentiality. 6 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 39 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 6.5 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 20.7% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4.1/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-14, last modified 2026-09-15

## Is CVE-2026-64753 being exploited?

It currently carries a trending score of 34 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [Apple](https://intel.threadlinqs.com/vendors/apple): Safari, iOS and iPadOS, macOS, tvOS, visionOS, watchOS

## How to fix CVE-2026-64753

No vendor patch reference has been recorded for CVE-2026-64753 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-64753

1 tracked threat in the Threadlinqs corpus references CVE-2026-64753, 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](https://intel.threadlinqs.com/threat/TL-2026-2522) — CRITICAL · 2026-09-15

## Sources

Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on 2026-10-10.

**Other references**

- [support.apple.com](https://support.apple.com/en-us/149034)
- [support.apple.com (149035)](https://support.apple.com/en-us/149035)
- [support.apple.com (149036)](https://support.apple.com/en-us/149036)
- [support.apple.com (149037)](https://support.apple.com/en-us/149037)
- [support.apple.com (149038)](https://support.apple.com/en-us/149038)

_Showing 5 of 6 recorded references._

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-64753
Full detection coverage and IOCs for threats exploiting CVE-2026-64753 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp