What is CVE-2016-1772?

CVE-2016-1772 is a medium-severity vulnerability in Apple Safari, classified under Information Disclosure. CVSS score: 4.3/10. Published 2016-03-24.

How severe is CVE-2016-1772?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in Apple Safari

CVE-2016-1772

The Top Sites feature in Apple Safari before 9.1 mishandles cookie storage, which makes it easier for remote web servers to track users via unspecified vectors.

Vulnerability class: Information Disclosure

Published 2016-03-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.012 (66.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Apple Safari

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.securitytracker.com/id/1035354 (vdb-entry)
lists.apple.com/archives/security-announce/2016/Mar/msg00005.html (vendor-advisory, Vendor Advisory)
www.securityfocus.com/bid/85055 (vdb-entry)
support.apple.com/HT206171 (Vendor Advisory)

Frequently asked questions

What is CVE-2016-1772?: CVE-2016-1772 is a medium-severity vulnerability in Apple Safari, classified under Information Disclosure. CVSS score: 4.3/10. Published 2016-03-24.
How severe is CVE-2016-1772?: Medium severity. CVSS v3 base score is 4.3 out of 10.