Vulnary
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Critical· 9.8official fix available

CVE-2026-64746

A security flaw in Apple's operating systems allows an app to add new contacts to a device without the user's permission. This happens because the system does not properly validate authorization requests.

publishedJul 27, 2026
last modifiedJul 28, 2026
sourcesNVD
severity · cvss
9.8
critical · how bad it is
exploitation · epss
<1%
33th 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

Users running iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, or watchOS 26.6 (or versions prior to these updates).

02

Real-world impact

A malicious application could silently populate a user's contact list with fraudulent entries, which could be used for phishing or other social engineering attacks.

03

Why this severity

This is a critical vulnerability because it can be exploited remotely over a network without any user interaction or special privileges, potentially compromising the integrity of the user's contact list.

04

What to do about it

official fix available
recommended steps
  1. 011. Upgrade iOS to version 26.6 or later.
  2. 022. Upgrade iPadOS to version 26.6 or later.
  3. 033. Upgrade macOS Tahoe to version 26.6 or later.
  4. 044. Upgrade visionOS to version 26.6 or later.
  5. 055. Upgrade watchOS to version 26.6 or later.

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

(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 →