How severe is CVE-2019-7286?

CVE-2019-7286 has a CVSS score of 7.8/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2019-7286?

Affected package information for CVE-2019-7286 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2019-7286?

No fixed version has been published for CVE-2019-7286 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2019-7286 actively exploited in the wild?

Yes. There are 5 known exploit references for CVE-2019-7286, including 1 documented proof-of-concept exploit on Exploit-DB and 3 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2019-7286?

CVE-2019-7286 has an EPSS (Exploit Prediction Scoring System) score of 1.6%, placing it in the 82th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

Is CVE-2019-7286 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2019-7286 (Apple Multiple Products Memory Corruption Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2022-05-23. CISA required all US federal civilian agencies to remediate this vulnerability by 2022-06-13. The required action was: Apply updates per vendor instructions. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2019-7286?

CVE-2019-7286 is classified as Out-of-bounds Write (CWE-787). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2019-7286?

CVE-2019-7286 affects apple iphone os; apple mac os x. Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2019-7286 published, and has it been updated?

CVE-2019-7286 was published on December 18, 2019 and was last updated on October 23, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2022-05-23 — agencies required to remediate by 2022-06-13

CVE-2019-7286

HIGH

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…

Published

Dec 18, 2019

Updated

Oct 23, 2025

Affected

0 pkgs

Patched

None yet

Exploits

5 known

EPSS Exploitation Probability

via FIRST.org ↗

1.6%probability of exploitation in next 30 days

Lower Risk82th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

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.

Affected Products

2 products · 2 configurations

iphone osapple

< 12.1.4

range

mac os xapple

< 10.14.3

range

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-46803dosios

iOS 12.1.3 - 'cfprefsd' Memory Corruption

by ZecOps · May 6, 2019

Exploit-DB Source

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2019-7286 in your stack?

O3 detects CVE-2019-7286 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

Scan my stack How O3 SCA works

CVSS Score

7.8/10

CVSS v3 base score

Vector breakdown

AV:Attack Vector

Local

AC:Attack Complexity

Low

PR:Privileges Required

None

UI:User Interaction

Required

S:Scope

Unchanged

C:Confidentiality

High

I:Integrity

High

A:Availability

High

Raw vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE Classification

CWE-787Out-of-bounds Write

Weaponization

No known public exploit tooling found.

Timeline

First exploit

May 6, 2019

Disclosed

Dec 18, 2019

KEV added

May 23, 2022

Last updated

Oct 23, 2025

Identifiers

CVE-2019-7286

References

Advisorysupport.apple.com Advisorysupport.apple.com Advisorysupport.apple.com Advisorysupport.apple.com Advisorysupport.apple.com Advisorysupport.apple.com Advisorysupport.apple.com Advisorysupport.apple.com Webcisa.gov

Data from OSV.dev, enriched by O3 Security. Refreshed hourly.