---
title: "CVE-2026-65357: Apple - Buffer Overflow"
description: "Apple iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, and watchOS 26.6 contain a memory corruption vulnerability caused by improper memory handling, letting apps cause system termination or write kernel memory, exploit requires malicious app execution."
url: https://panop.io/threat-heartbeat/CVE-2026-65357/
---

# CVE-2026-65357 Apple - Buffer Overflow

Apple iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, and watchOS 26.6 contain a memory corruption vulnerability caused by improper memory handling, letting apps cause system termination or write kernel memory, exploit requires malicious app execution.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.17% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-65357)

## Details

Type

Buffer Overflow

Impact

Denial Of Service, Privilege Escalation

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

14 September 2026

Updated

15 October 2026

Weakness

[CWE-120](https://cwe.mitre.org/data/definitions/120.html)

## Vendor fix

Update to iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-65357](https://nvd.nist.gov/vuln/detail/CVE-2026-65357)
- [https://support.apple.com/en-us/128066](https://support.apple.com/en-us/128066)
- [https://support.apple.com/en-us/128067](https://support.apple.com/en-us/128067)
- [https://support.apple.com/en-us/128068](https://support.apple.com/en-us/128068)
- [https://support.apple.com/en-us/128069](https://support.apple.com/en-us/128069)
- [https://support.apple.com/en-us/128070](https://support.apple.com/en-us/128070)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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