CVE-2019-8526
KEVApple macOS Use-After-Free Vulnerability
Description
Apple macOS contains a use-after-free vulnerability that could allow for privilege escalation.
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.
CVSS 3.1 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HPublishedDec 18, 2019
Last modifiedJun 17, 2026
Added to KEVApr 17, 2023
Remediation dueMay 8, 2023
References
- support.apple.com/HT209600Release NotesVendor Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-8526US Government Resource
0 recent articles mention this CVE
69
Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1267 days
- CVSS
- 7.8 HIGH
- EPSS (30-day exploit probability)
- 0.70% · top 47% of all CVEs
- Weakness
- CWE-416
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.