Overview
Microsoft Edge and Internet Explorer contain a memory corruption vulnerability that allows attackers to execute code in the context of the current user.
https://nvd.nist.gov/vuln/detail/CVE-2020-0878
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2020-0878 |
| Vendor / Product | Microsoft — Edge and Internet Explorer |
| NVD Published | 2020-09-11 |
| NVD Last Modified | 2026-02-23 |
| CVSS 3.1 Score | 4.2 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N |
| Severity | MEDIUM |
| CWE | CWE-787 |
| CISA KEV Added | 2021-11-03 |
| CISA KEV Deadline | 2022-05-03 |
| Known Ransomware Use | ⚠️ Yes |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Required Action
CISA BOD 22-01 Deadline: 2022-05-03.
Apply updates per vendor instructions.
Timeline
| Date | Event |
|---|---|
| 2021-11-03 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2022-05-03 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2020-0878 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |