Is CVE-2016-7579 in the CISA KEV catalog?

No. CVE-2016-7579 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-7579?

CVE-2016-7579 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2016-7579?

CVE-2016-7579 has an EPSS score of 1.84% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-7579?

Upgrade iphone os to 10.1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2016-7579

MEDIUMEPSS 76th pctl

5.9

CVSS v3

NVD

Description

An issue was discovered in certain Apple products. iOS before 10.1 is affected. macOS before 10.12.1 is affected. tvOS before 10.0.1 is affected. The issue involves the "CFNetwork Proxies" component, which allows man-in-the-middle attackers to spoof a proxy password authentication requirement and obtain sensitive information.

CWE-200Information Exposure

How to fix

Remediation Available

iphone osNVD

Affected:< 10.1Fixed in:10.1CVE-2016-7579derived from NVD

mac os xNVD

Affected:< 10.12.1Fixed in:10.12.1CVE-2016-7579derived from NVD

tvosNVD

Affected:< 10.0.1Fixed in:10.0.1CVE-2016-7579derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

1.84%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Vendor Advisory3

Third-Party Advisory2

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.