A remote code execution vulnerability exists in the way that the MSHTML engine improperly validates input. An attacker could execute arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. In a HTML editing attack scenario, an attacker could trick a user into editing a specially crafted file that is designed to exploit the vulnerability. The security update addresses the vulnerability by modifying how MSHTML engine validates input.
Published 2020-08-17 19:15:21
Updated 2024-04-16 19:22:42
View at NVD,   CVE.org
Vulnerability category: Execute code

Exploit prediction scoring system (EPSS) score for CVE-2020-1567

1.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 84 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-1567

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.6
HIGH AV:N/AC:H/Au:N/C:C/I:C/A:C
4.9
10.0
NIST
7.5
HIGH CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
1.6
5.9
NIST
4.2
MEDIUM CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
1.6
2.5
Microsoft Corporation 2024-01-04

References for CVE-2020-1567

Products affected by CVE-2020-1567

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