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CVE-2016-4645

15
FAUCET Score

CVE-2016-4645 describes a vulnerability in CFNetwork within Apple OS X before version 10.11.6, where weak permissions for web-browser cookies could allow a local attacker to access sensitive information. This vulnerability has a low CVSS score of 3.3, indicating a low impact on confidentiality with no integrity or availability concerns, and requires local access with low attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion, with only one media article covering Apple's patch release.

Impacted Technologies

VendorProductVersion(s)CPE
<= 10.11.5CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

3.3LOW

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.32%
Probability of exploitation in next 30 days
EPSS Percentile
24.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0032 is in the 73rd percentile among its peer group of 1,509 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

lists.apple.com / archives/security-announce/2016/Jul/msg00000.html
Mailing ListVendor Advisory
support.apple.com / HT206903
Vendor Advisory
securityfocus.com / bid/91824
securitytracker.com / id/1036348