What is CVE-2019-7286?

CVE-2019-7286 is a high-severity vulnerability in Apple iOS, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-12-18.

How severe is CVE-2019-7286?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2019-7286 known to be exploited?

Yes. CVE-2019-7286 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-23), indicating it is being actively exploited. 7 public proof-of-concept repositories are indexed.

Buffer overflow in Apple iOS

CVE-2019-7286

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.1.4, macOS Mojave 10.14.3 Supplemental Update. An application may be able to gain elevated privileges.

Vulnerability class: Buffer Overflow

Published 2019-12-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.159 (96.9th percentile), scored 2026-10-19.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.156 · newest: 0.159 · change: +0.004

Affected products

Apple iOS — versions unspecified
Apple Iphone OS
Apple macOS — versions unspecified
Apple Mac OS X

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-05-23. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-06-13.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

support.apple.com/HT209601 (Vendor Advisory)
support.apple.com/HT209602 (Vendor Advisory)
support.apple.com/HT209520 (Vendor Advisory)
support.apple.com/HT209521 (Vendor Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2019-7286?: CVE-2019-7286 is a high-severity vulnerability in Apple iOS, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-12-18.
How severe is CVE-2019-7286?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2019-7286 known to be exploited?: Yes. CVE-2019-7286 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-23), indicating it is being actively exploited. 7 public proof-of-concept repositories are indexed.