A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory. An attacker who successfully exploited the vulnerability could install programs; view, change, or delete data; or create new accounts with full user rights. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit a malicious webpage. The security update addresses the vulnerability by correcting how Windows Media Foundation handles objects in memory.
Published 2020-08-17 19:15:15
Updated 2024-01-19 00:15:12
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Exploit prediction scoring system (EPSS) score for CVE-2020-1477

0.06%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 24 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-1477

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
NIST
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1.8
5.9
NIST
7.0
HIGH CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
1.0
5.9
Microsoft Corporation 2024-01-04

CWE ids for CVE-2020-1477

  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-1477

Products affected by CVE-2020-1477

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