Vulnary
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Critical· 9.8official fix available

CVE-2026-43730

A permissions flaw could let apps identify a user. Apple has fixed the issue in the latest OS releases. Users should update to the newest version to protect their privacy.

publishedJul 27, 2026
last modifiedJul 28, 2026
sourcesNVD
severity · cvss
9.8
critical · how bad it is
exploitation · epss
<1%
26th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Aug 27, 2026

An official fix is available, so this entry is kept for 30 days and then removed automatically.

01

Who is affected

Apple devices running iOS, iPadOS, macOS Tahoe, tvOS, visionOS, or watchOS before version 26.6.

02

Real-world impact

An attacker could use the flaw to fingerprint a device and learn personal information about the user.

03

Why this severity

The CVSS score of 9.8 reflects that the vulnerability is easy to exploit over the network, requires no user interaction, and gives an attacker complete control over confidentiality, integrity, and availability.

04

What to do about it

official fix available
recommended steps
  1. 011. Update your device to iOS 26.6 or later (or the corresponding OS version).
  2. 022. Restart the device.

NVD-referenced vendor advisory

05

Timeline

  1. Jul 27, 2026 · 3d ago
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 28, 2026 · 2d ago
    Official fix available
    A vendor patch or mitigation now exists — see the remediation steps above.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone needed
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

NVD advisory ↗Search advisories ↗
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
CVE-2026-43730: A permissions flaw could let apps identify a user. Apple has fixed the · Vulnary