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

- Exploited (CISA KEV): yes, added 2023-04-17
- Published: 2019-12-18
- CVSS: 7.8 HIGH (v3.1)
- EPSS: 0.7% (53th percentile)
- CWE: CWE-416

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.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Before feed history | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | Before feed history | — | — |
| Fastly | Before feed history | — | — |
| F5 | Before feed history | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | Before feed history | — | — |

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2019-8526 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2019-8526