How severe is CVE-2016-1772?

CVE-2016-1772 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2016-1772 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1772?

CVE-2016-1772 affects Apple Safari. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-1772?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-1772 published?

CVE-2016-1772 was published on 2016-03-24 and last updated on 2026-06-17.

CVE-2016-1772

CVE-2016-1772 is a medium-severity vulnerability in Apple Safari with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.3
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Apple Safari
Published: 2016-03-24
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2016-1772?: CVE-2016-1772 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2016-1772 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1772?: CVE-2016-1772 affects Apple Safari. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-1772?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-1772 published?: CVE-2016-1772 was published on 2016-03-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*

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