# CVE-2019-0752: Microsoft Internet Explorer Type Confusion Vulnerability

- Exploited (CISA KEV): yes, added 2022-02-15, known ransomware use
- Published: 2019-04-09
- CVSS: 7.5 HIGH (v3.1)
- EPSS: 81.7% (100th percentile)
- CWE: CWE-843

A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-0739, CVE-2019-0753, CVE-2019-0862.

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

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Before feed history | — | — |
| AWS | Before feed history | — | — |
| 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-2019-0752 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2019-0752