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CVE-2016-1778

28
FAUCET Score

CVE-2016-1778 describes a memory corruption vulnerability in WebKit affecting Apple iOS before version 9.3 and Safari before 9.1. This flaw allows remote attackers to execute arbitrary code or cause a denial of service by enticing a user to visit a specially crafted website. With a CVSS score of 8.8 (High), it presents a significant risk, as it requires no privileges and has high impacts on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.0.3CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
<= 9.2.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.13%
Probability of exploitation in next 30 days
EPSS Percentile
89.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0413 is in the 89th percentile among its peer group of 14,855 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

lists.apple.com / archives/security-announce/2016/Mar/msg00000.html
Vendor Advisory
lists.apple.com / archives/security-announce/2016/Mar/msg00005.html
Vendor Advisory
support.apple.com / HT206166
Vendor Advisory
support.apple.com / HT206171
Vendor Advisory
securityfocus.com / archive/1/537948/100/0/threaded
securitytracker.com / id/1035353
zerodayinitiative.com / advisories/ZDI-16-200