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Apple visionOS EUVDEUVD-2026-104696

| CVE-2026-28850 MEDIUM
Missing Authorization (CWE-862)
2026-10-20 apple GHSA-3rxq-qpj2-q7xf
5.5
CVSS 3.1 · Vendor: apple
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Trick user into installing malicious app
  2. Exploit
    Invoke flawed authorization state check
  3. Execution
    Bypass access control
  4. Impact
    Read sensitive user data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization checks on every request
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

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

Exploitation Conditions

Exploitation requires attacker-controlled code already executing on the device - i.e. a malicious or compromised app installed on an Apple Vision Pro running visionOS earlier than version 27 (PR:L reflects this low-privilege app context). No remote access and no user interaction at exploit time are needed (UI:N), and no special non-default configuration is indicated. The principal limiting factors are: the attacker must first get an app onto the headset (local vector, AV:L), impact is confined to reading sensitive user data (C:H, with no integrity or availability impact), and the issue is fixed by updating to visionOS 27.

Impact

Signals are consistent and point to a moderate, not urgent, priority. The CVSS 3.1 vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, base 5.5) describes a locally-exploitable authorization flaw requiring a low-privileged foothold - in practice, a malicious or compromised app already running on the device - with high confidentiality impact but no integrity or availability impact. This aligns with CWE-862 (Missing Authorization) and the description ('an app may be able to access sensitive user data'). The EPSS score of 0.15% (4th percentile) indicates very low probability of exploitation, and the vulnerability is NOT in CISA KEV. CISA SSVC reinforces this: Exploitation=none, Automatable=no, Technical Impact=partial. No POC is referenced. All signals agree this is a genuine but low-to-moderate issue, not a high-CVSS-but-overrated flaw nor an actively-exploited emergency. The chief caveat is exposure: exploitation presupposes attacker-controlled code already on the headset, so real-world risk is gated by the user installing a malicious app or an app being compromised. No conflicting signals were found; the main limitation is that exact affected build granularity and the specific 'sensitive user data' category are not detailed in the available data.

Exploit ScenarioDerived

A user installs a malicious or trojanized app on an Apple Vision Pro running visionOS prior to version 27. Because of improper authorization state management, the app bypasses an access-control check and reads sensitive user data it should not be entitled to, all locally and without user interaction or a prompt. No public exploit code is referenced, so this requires an attacker to develop the technique independently.

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 – Oct 20, 2026

Apple visionOS before version 27 contains an authorization state-management flaw that lets a locally installed app read sensitive user data. The issue requires attacker-controlled code already running as a low-privilege app, has no user-interaction requirement at exploit time, and is fixed in visionOS 27. No public exploit was identified at time of analysis, and EPSS is 0.15% (4th percentile).

RemediationAI

Update affected Apple Vision Pro devices to visionOS 27, the vendor-released fixed version, following Apple's advisory at https://support.apple.com/en-us/149038 and verify the installed version through the headset's software update settings. If immediate updating is not possible, reduce exposure by restricting installation to trusted App Store apps and removing unnecessary or untrusted apps and profiles, since exploitation requires attacker-controlled local app code; the trade-off is reduced app availability and added administrative overhead. No network-facing workaround applies because the assessed vector is local.

Affected VersionsENISA

visionOS 0 <27

Affected Packages

euvd visionos fix: 27

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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

Technical ContextAI · show details

visionOS is Apple's spatial-computing operating system for Apple Vision Pro. The vulnerability maps to CWE-862 Missing Authorization: authorization decisions are not correctly enforced across application state changes, so an app can reach data it should not be permitted to access. The CPE cpe:2.3:a:apple:visionos:*:*:*:*:*:*:*:* identifies affected visionOS releases prior to the fixed version. The CVSS vector is AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, meaning the attacker must already have local code execution in a low-privilege app context; there is no network vector, no user interaction at exploit time, and the impact is confidentiality-only with no integrity or availability effect.

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Severity by source

Vendor (apple) PRIMARY 5.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
vuln.today AI 5.5 MEDIUM

Exploitation is by a locally-installed low-privilege app (AV:L, PR:L) with no user interaction, yielding unauthorized read of sensitive data (C:H) but no integrity or availability impact.

3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (apple).

CVSS VectorVendor: apple

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

4
CVSS changed
Oct 20, 2026 - 15:37 NVD
5.5 (MEDIUM)
Patch available
Oct 20, 2026 - 02:01 EUVD
CVE Published
Oct 20, 2026 - 00:50 cve.org
MEDIUM 5.5
CVE Published
Oct 20, 2026 - 00:50 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

An authorization issue was addressed with improved state management. This issue is fixed in visionOS 27. An app may be able to access sensitive user data.

Threat Intelligence Overview

EPSS Score
0.2%
Top 96% exploitable
Prevalence
Low
visionOS runs only on Apple Vision Pro, a niche, low-volume device
Data Quality
5 sources
Confidence: Medium

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
Defer
Exploitation
None
System Exposure· derived
Small
Automatable
No
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +28
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

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