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CVE-2017-13861

53
FAUCET Score

CVE-2017-13861 is a memory corruption vulnerability in the IOSurface component of Apple iOS before 11.2, tvOS before 11.2, and watchOS before 4.2. This high-severity vulnerability (CVSS 7.8) allows attackers to execute arbitrary code in a privileged context or cause a denial of service through a crafted application. While not on the KEV catalog, exploit code, including a Metasploit module and an ExploitDB entry, is publicly available. The vulnerability has garnered significant community discussion and media coverage, including reports of a proof-of-concept for an iOS jailbreak.

Impacted Technologies

VendorProductVersion(s)CPE
< 11.2CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
< 11.2CPE matchmatch criteria
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
< 4.2CPE matchmatch criteria
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
14.89%
Probability of exploitation in next 30 days
EPSS Percentile
96.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
Metasploit: Safari Webkit Proxy Object Type Confusion · Mar 15, 2018
ExploitDB: EDB-43320 · Dec 11, 2017
This CVE's current EPSS score of 0.1489 is in the 96th percentile among its peer group of 11,621 CVEs.

Social Chatter

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

Media Mentions

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

Remediation

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

packetstormsecurity.com / files/153148/Safari-Webkit-Proxy-Object-Type-Confusion.html
support.apple.com / HT208325
Vendor Advisory
support.apple.com / HT208327
Vendor Advisory
support.apple.com / HT208334
Vendor Advisory
exploit-db.com / exploits/43320
Third Party AdvisoryVDB Entry
securityfocus.com / bid/102134
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039952
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039953
Third Party AdvisoryVDB Entry