CVE-2020-0968
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 15, 2020 · Updated Oct 29, 2025
Key Facts
Patch immediately- CVE-2020-0968 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Internet Explorer (Microsoft), Internet Explorer 11, Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems and 7 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 2, 2020 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 31% 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)
31%
Higher than 98.2% 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-2020-0968 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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-2020-0970.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Nov 3, 2021 | May 3, 2022 | Known |
| Industry KEV feed | Oct 2, 2020 | May 3, 2022 | Known |
| CIRCL KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| ENISA EUVD | Nov 3, 2021 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
11 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Internet ExplorerMicrosoft | 11, 9 | n/a |
| Internet Explorer 11 | >= Windows 10 Version 1803 for 32-bit Systems | n/a |
| Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems | >= unspecified | n/a |
| Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systems | >= unspecified | n/a |
| Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systems | >= unspecified | n/a |
Timeline
Publicly disclosed
Apr 15, 2020
Added to Industry KEV feed
Oct 2, 2020
Added to CISA KEV
Nov 3, 2021
Added to CIRCL KEV
Nov 3, 2021
Added to ENISA EUVD
Nov 3, 2021
Last updated
Oct 29, 2025
Weakness Type
- CWE-787 Out-of-bounds Write
References
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 11, 9; Internet Explorer 11 versions >= Windows 10 Version 1803 for 32-bit Systems; Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems versions >= unspecified, among others. 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 Oct 2, 2020 and is known to be used in ransomware campaigns.
Yes. It was added on Nov 3, 2021 with a federal remediation due date of May 3, 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.
Is CVE-2020-0968 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo