CVE-2016-1721 is a memory corruption vulnerability in the kernel of Apple iOS before 9.2.1, OS X before 10.11.3, and tvOS before 9.1.1. This flaw allows a local attacker to gain elevated privileges or cause a denial of service. With a CVSS score of 7.8 (High), it presents a significant risk, enabling high impact to confidentiality, integrity, and availability with low attack complexity. While not listed on CISA's KEV catalog, an ExploitDB entry (EDB-39358) indicates the existence of proof-of-concept code for code execution, and it has received notable community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 9.2.1CPE matchmatch criteria | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | ||
< 10.11.3CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | ||
< 9.1.1CPE matchmatch criteria | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | ||
< 2.2CPE matchmatch criteria | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.