# CVE-2019-8526: Apple macOS Use-After-Free Vulnerability

> CVE-2019-8526: Apple macOS Use-After-Free Vulnerability. CVSS 7.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2019-8526
Last updated: 2025-10-21T23:35:55Z

- Published: 2019-12-18 17:33 UTC · Updated: 2025-10-21 23:35 UTC · Assigner: apple
- CVSS: 7.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS: 0.70%, 53th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2023-04-17, federal due date 2023-05-08, ransomware use: Unknown

## Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.4. An application may be able to gain elevated privileges.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Apple: macOS

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2019-8526)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2019-8526)
- [https://support.apple.com/HT209600](https://support.apple.com/HT209600)

---

_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


---
Canonical: https://rewindex.com/cve/CVE-2019-8526 · Markdown: https://rewindex.com/cve/CVE-2019-8526.md · JSON: https://rewindex.com/api/v1/cves/CVE-2019-8526 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:46:49.805Z