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CVE-2016-1858

22
FAUCET Score

CVE-2016-1858 describes a WebKit vulnerability affecting Apple iOS before 9.3.2, Safari before 9.1.1, and tvOS before 9.2.1. This flaw allows remote attackers to extract sensitive information by tricking WebKit into improperly tracking taint attributes when a user visits a malicious website. With a CVSS score of 6.5 (Medium), the vulnerability has a network attack vector, low attack complexity, and high confidentiality impact, requiring user interaction. There is no evidence of active exploitation, publicly available exploit code in common databases like Metasploit or ExploitDB, nor significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 9.1.1CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
< 9.3.2CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
< 9.2.1CPE matchmatch criteria
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
< 2.12.0CPE matchmatch criteria
cpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.17%
Probability of exploitation in next 30 days
EPSS Percentile
80.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0217 is in the 90th percentile among its peer group of 26,221 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

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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/May/msg00001.html
Mailing ListVendor Advisory
lists.apple.com / archives/security-announce/2016/May/msg00002.html
Mailing ListVendor Advisory
lists.apple.com / archives/security-announce/2016/May/msg00005.html
Mailing ListVendor Advisory
packetstormsecurity.com / files/137229/WebKitGTK-Code-Execution-Denial-Of-Service-Memory-Corruption.html
Third Party AdvisoryVDB Entry
support.apple.com / HT206564
Vendor Advisory
support.apple.com / HT206565
Vendor Advisory
support.apple.com / HT206568
Vendor Advisory
securityfocus.com / archive/1/538522/100/0/threaded
Third Party AdvisoryVDB Entry
securitytracker.com / id/1035888
Third Party AdvisoryVDB Entry