How severe is CVE-2016-4596?

CVE-2016-4596 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-4596 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4596?

CVE-2016-4596 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-4596?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-4596 published?

CVE-2016-4596 was published on 2016-07-22 and last updated on 2026-06-17.

CVE-2016-4596

CVE-2016-4596 is a high-severity vulnerability in Apple Mac Os X with a CVSS 3.x base score of 8.8. 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Apple Mac Os X
Published: 2016-07-22
Last modified: 2026-06-17

Description

QuickTime in Apple OS X before 10.11.6 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted FlashPix bitmap image, a different vulnerability than CVE-2016-4597, CVE-2016-4600, and CVE-2016-4602.

Frequently asked questions

What is CVE-2016-4596?: QuickTime in Apple OS X before 10.11.6 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted FlashPix bitmap image, a different vulnerability than CVE-2016-4597, CVE-2016-4600, and CVE-2016-4602.
How severe is CVE-2016-4596?: CVE-2016-4596 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-4596 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4596?: CVE-2016-4596 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-4596?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-4596 published?: CVE-2016-4596 was published on 2016-07-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

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