Use After Free in Apple Iphone OS

CVE-2016-7644

An issue was discovered in certain Apple products. iOS before 10.2 is affected. macOS before 10.12.2 is affected. watchOS before 3.1.3 is affected. The issue involves the "Kernel" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (use-after-free) via a crafted app.

Vulnerability class: Use-After-Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.068 (93.8th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2016-7644: held from 0.068 to 0.068.

EPSS over last 30 days · oldest: 0.068 · newest: 0.068 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-7644?
CVE-2016-7644 is a high-severity vulnerability in Apple Iphone OS, classified under Use After Free. CVSS score: 7.8/10. Published 2017-02-20.
How severe is CVE-2016-7644?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2016-7644 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.