What is CVE-2016-4593?

CVE-2016-4593 is a low-severity vulnerability in Apple Iphone OS, classified under Information Disclosure. CVSS score: 2.4/10. Published 2016-07-22.

How severe is CVE-2016-4593?

Low severity. CVSS v3 base score is 2.4 out of 10.

Information disclosure in Apple Iphone OS

CVE-2016-4593

The Siri Contacts component in Apple iOS before 9.3.3 allows physically proximate attackers to read arbitrary Contact card information via unspecified vectors.

Vulnerability class: Information Disclosure

Published 2016-07-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.4 (Low). Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (26.4th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Apple Iphone OS

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.securitytracker.com/id/1036344 (vdb-entry)
lists.apple.com/archives/security-announce/2016/Jul/msg00001.html (vendor-advisory, Mailing List)
www.securityfocus.com/bid/91825 (vdb-entry)
support.apple.com/HT206902 (Vendor Advisory)

Frequently asked questions

What is CVE-2016-4593?: CVE-2016-4593 is a low-severity vulnerability in Apple Iphone OS, classified under Information Disclosure. CVSS score: 2.4/10. Published 2016-07-22.
How severe is CVE-2016-4593?: Low severity. CVSS v3 base score is 2.4 out of 10.