CVE-2019-0752
HighExploitedPublic exploitA 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'.
Published Apr 9, 2019 · Updated Aug 12, 2026
Key Facts
Patch immediately- CVE-2019-0752 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Internet Explorer (Microsoft), Internet Explorer 10, Internet Explorer 11.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 20, 2021 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 82% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
82%
Higher than 99.6% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2019-0752 brief as a PDF
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Description
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Feb 15, 2022 | Aug 15, 2022 | Known |
| Industry KEV feed | May 20, 2021 | Aug 15, 2022 | Known |
| CIRCL KEV | Feb 15, 2022 | Aug 15, 2022 | Known |
| ENISA EUVD | Feb 15, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Internet ExplorerMicrosoft | 10, 11 | n/a |
| Internet Explorer 10 | >= Windows Server 2012 | n/a |
| Internet Explorer 11 | >= Windows 7 for 32-bit Systems Service Pack 1 | n/a |
Timeline
Publicly disclosed
Apr 9, 2019
Added to Industry KEV feed
May 20, 2021
Added to CISA KEV
Feb 15, 2022
Added to CIRCL KEV
Feb 15, 2022
Added to ENISA EUVD
Feb 15, 2022
Last updated
Aug 12, 2026
Weakness Type
- CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')
References
- advisoryhttps://www.zerodayinitiative.com/advisories/ZDI-19-359/
- patchhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0752
- exploithttp://packetstormsecurity.com/files/153078/Microsoft-Internet-Explorer-Windows-10-1809-17763.316-Memory-Corruption.html
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
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'.
Affected: Internet Explorer (Microsoft) versions 10, 11; Internet Explorer 10 versions >= Windows Server 2012; Internet Explorer 11 versions >= Windows 7 for 32-bit Systems Service Pack 1. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 20, 2021 and is known to be used in ransomware campaigns.
Yes. It was added on Feb 15, 2022 with a federal remediation due date of Aug 15, 2022.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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