CVE-2026-65346

No known exploitation. EPSS puts it in the 46th percentile. A vendor fix is available.

CVSS 3.18.8High EPSS percentile46th0.6% chance in 30 days CISA KEVNot listedNo confirmed exploitation
No public exploit known FixVendor fixNo build named by the sources

Published 2026-08-17Updated 2026-09-14Sources: CVE.org, NVD

NVD CVE.org

What to do

The vendor has published a fix. Version details are below where the sources state them.

Steps

Written by AI from the record

Check the software-update version on every company iPhone, iPad, Mac, Apple TV, Apple Watch, and Vision Pro.
Update ios and ipados to 26.6.1; update macos to 15.8 or 26.6.2, as applicable.
Update tvos, visionOS, and watchos to version 27.
Until updates are complete, tell staff not to open or process unexpected image files.

Vendor advisory Usually a quick update

Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

An integer overflow was addressed with improved input validation. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Processing an image may lead to arbitrary code execution.

In plain language

Written by AI from the record

This is a serious image-handling flaw in unpatched Apple devices that can let a malicious image take control after someone processes it.

CVE-2026-65346 is a high-severity, network-delivered integer overflow (CWE-190) in image processing that can lead to arbitrary code execution after user interaction.

If you're affected

Device takeover
Business data exposure
Unauthorized software installation
Operational disruption

What is it

A mistake in the way the software handles certain images can let a specially prepared image run unauthorized commands. It is like a delivery package that looks ordinary but causes someone to hand over the keys when it is opened.

Who is affected

This matters if your business uses ios, ipados, macos, tvos, visionOS, or watchos devices that have not received the listed updates. An attacker does not need an account, but a person must process a malicious image for the attack to work.

How urgent is it

A malicious image can be used to try to take control of a device once it is processed, so treat this as urgent. There is no reported real-world exploitation, no known public exploit code, and the issue is not listed in CISA's known-exploited catalog, but the potential impact warrants prompt updates.

What to do — in detail

Confirm exposure by inventorying Apple devices and comparing installed versions with the vendor-fixed releases: ios 26.6.1, ipados 26.6.1, macos Sequoia 15.8, macos Tahoe 26.6.2, and tvos, visionOS, and watchos 27.

Use the normal Apple software-update process for each platform and deploy the applicable update through device management where available. No breaking-change information is provided in the findings.

If patching is delayed, reduce exposure by preventing users from opening, importing, previewing, or otherwise processing unexpected image files from email, messaging, websites, or untrusted storage. Monitor software-update compliance and investigate reports of suspicious image files or unexpected device behavior. This CVE is not in CISA KEV, so no CISA remediation due date applies.

Technical context

Severity is CVSS 8.8 (High): AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The weakness is CWE-190 integer overflow in image processing; the stated precondition is user interaction while processing an image, with arbitrary code execution as the capability. No confirmed exploitation has been reported, it is not in CISA KEV, and no public exploit code is on record. EPSS is 0.4% (33rd percentile) with a flat trend; exploit maturity is unproven.

This is a general assessment based on public vulnerability data. It does not account for your specific infrastructure — when in doubt, consult a security specialist.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS46th

CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.6% chance of exploitation activity in the next 30 days, which ranks it in the 46th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

12 events over 28 days, from the signal feeds we watch.

2026-09-14Patch availablerecord updated
2026-08-19Patch availablerecord updated
2026-08-18Patch availablerecord updated, record updated, record updated
2026-08-17Publishedweakness classified, att&ck mapped, record updated

Affected products

Applecommercial · USaka apple inc., apple computer
- iOS and iPadOSOSEmbeddedOperating Systems / mobile-os
- macOSOSOn-premOperating Systems / unix-bsd
- tvOSOSEmbeddedOperating Systems / mobile-os
- visionOSOSOperating Systems / mobile-os
- watchOSOSEmbeddedOperating Systems / mobile-os
- ipadosOSEmbeddedOperating Systems / mobile-os

And 2 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

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

Scored 8.8 by NVD.

How it is reached

Attack Vector NetworkExploitable remotely over the network without any special conditions
Attack Complexity LowNo special conditions — the attack can be reliably reproduced
Privileges Required NoneNo authentication required — anyone can exploit this
User Interaction RequiredA user must click a link, open a file, or perform some action

Scope

Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

Confidentiality HighTotal information disclosure — all data in the component is compromised
Integrity HighTotal loss of integrity — attacker can modify any data in the component
Availability HighTotal denial of service — the component is completely unavailable