Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2016-1720

36
FAUCET Score

CVE-2016-1720 is a memory corruption vulnerability in IOKit affecting Apple iOS before 9.2.1, OS X before 10.11.3, and tvOS before 9.1.1. This local privilege escalation flaw allows an authenticated attacker to gain elevated privileges or cause a denial of service. With a CVSS score of 7.8 (HIGH), it has a high impact on confidentiality, integrity, and availability, requiring low attack complexity and no user interaction. While not listed in CISA KEV, an exploit (EDB-39367) demonstrating a use-after-free vulnerability for OS X exists, and it has garnered some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.11.3CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
< 9.1.1CPE matchmatch criteria
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
< 9.2.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
< 2.2CPE 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:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
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
1.04%
Probability of exploitation in next 30 days
EPSS Percentile
60.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-39367 · Jan 28, 2016
This CVE's current EPSS score of 0.0104 is in the 92nd percentile among its peer group of 16,994 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

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

lists.apple.com / archives/security-announce/2016/Jan/msg00002.html
Mailing ListVendor Advisory
lists.apple.com / archives/security-announce/2016/Jan/msg00003.html
Mailing ListVendor Advisory
lists.apple.com / archives/security-announce/2016/Jan/msg00005.html
Mailing ListVendor Advisory
lists.apple.com / archives/security-announce/2016/Mar/msg00001.html
Mailing ListVendor Advisory
packetstormsecurity.com / files/135435/IOKit-Methods-Being-Called-Without-Locks-From-IOServiceClose.html
Third Party AdvisoryVDB Entry
code.google.com / p/google-security-research/issues/detail
Exploit
support.apple.com / HT205729
Vendor Advisory
support.apple.com / HT205731
Vendor Advisory
support.apple.com / HT205732
Vendor Advisory
support.apple.com / HT206168
Vendor Advisory
exploit-db.com / exploits/39367
ExploitThird Party AdvisoryVDB Entry
securitytracker.com / id/1034736
Third Party AdvisoryVDB Entry