Visionos EUVD-2026-77947

| CVE-2026-65412 MEDIUM

NULL Pointer Dereference (CWE-476)

2026-09-14 apple

GHSA-rc25-xmw7-w43p

Denial Of Service Null Pointer Dereference Apple Visionos Watchos Ios And Ipados

6.5

CVSS 3.1 · Vendor: apple

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Vulnerability Assessment

Weakness

CWE

OWASP Top 10:2025

A10:2025 - Mishandling of Exceptional Conditions

ASVS 5.0

V16 - Security Logging and Error Handling Null pointer safety, defensive checks

MITRE ATT&CK

1 technique across 1 tactic: Impact

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 15, 2026

Loading attacker-controlled web content on an unpatched Apple device can trigger a null pointer dereference in the WebKit rendering pipeline, crashing the browser or app that renders the page and producing a denial-of-service on iPhone, iPad, Mac, Apple Watch and Apple Vision Pro. Apple shipped fixes in iOS/iPadOS 26.7 and 27, macOS Sequoia 15.8, macOS Tahoe 26.7, macOS Golden Gate 27, visionOS 27 and watchOS 27. The flaw scores CVSS 6.5 with a user-interaction requirement (UI:R), EPSS is only 0.20% (10th percentile), and there is no public exploit code or CISA KEV listing at time of analysis.

Affected VersionsENISA

visionOS 0 <27

macOS 0 <26.7

iOS and iPadOS 0 <26.7

macOS 0 <27

iOS and iPadOS 0 <27

macOS 0 <15.8

watchOS 0 <27

Affected Packages

euvd ios_and_ipados fix: 26.7, 27

euvd macos fix: 15.8, 26.7, 27

euvd visionos fix: 27

euvd watchos fix: 27

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 4 packages in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (apple) PRIMARY 6.5 MEDIUM

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

Primary rating from Vendor (apple) · only source for this CVE.

CVSS VectorVendor: apple

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

4

CVSS changed

Sep 15, 2026 - 19:22 NVD

6.5 (MEDIUM)

Patch available

Sep 14, 2026 - 22:19 EUVD

CVE Published

Sep 14, 2026 - 20:51 cve.org

MEDIUM 6.5

CVE Published

Sep 14, 2026 - 20:51 cve.org

UNKNOWN (no severity yet)

DescriptionCVE.org

A null pointer dereference was addressed with improved input validation. 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, visionOS 27, watchOS 27. Processing web content may lead to a denial-of-service.

Threat Intelligence Overview

EPSS Score

0.2%

Top 90% exploitable

Data Quality

4 sources

Confidence: Medium

EUVD

CVE.org

EPSS

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.2%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

No

Human Impact· derived

Medium

Priority Score

32

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +32

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Null Pointer Dereference MEDIUM

A null pointer dereference occurs when a program attempts to access memory through a pointer that has been set to NULL (address 0x0).

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

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References

Advisories & patches

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-65412 ADVISORY https://vuldb.com/vuln/403890 REF https://support.apple.com/en-us/149034 REF https://support.apple.com/en-us/149035 REF https://support.apple.com/en-us/149037 REF https://support.apple.com/en-us/149038 REF https://support.apple.com/en-us/149041 REF https://support.apple.com/en-us/149042 REF https://support.apple.com/en-us/149043

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