CVE-2020-1577 HIGH

CVE-2020-1577: DirectWrite Information Disclosure Vulnerability

Vendor Microsoft
Product Windows 10 Version 2004
Published August 17, 2020
Last update October 1, 2024

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

What the vulnerability does

01Description

An information disclosure vulnerability exists when DirectWrite improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system. 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 an untrusted webpage. The security update addresses the vulnerability by correcting how DirectWrite handles objects in memory.

Key dates

02Disclosure timeline

August 17, 2020 CVE published
October 1, 2024 Record updated