Vulnerability · Published Sep 11, 2020 · Assigned by microsoft

CVE-2020-1256Windows GDI Information Disclosure Vulnerability

Medium 5.5

In plain English

A medium-severity security flaw in Windows 10 Version 1507 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.6% (higher than 92% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)4.6%top 8.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

<p>An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system.</p> <p>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.</p> <p>The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory.</p>

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1803 10.0.0 – before publication
Microsoft Windows 10 Version 1809 10.0.0 – before publication
Microsoft Windows Server 2019 10.0.0 – before publication
Microsoft Windows Server 2019 (Server Core installation) 10.0.0 – before publication
Microsoft Windows 10 Version 1709 for 32-bit Systems 10.0.0 – before publication
Microsoft Windows 10 Version 1709 10.0.0 – before publication
Microsoft Windows 10 Version 1903 for 32-bit Systems 10.0.0 – before publication
Microsoft Windows 10 Version 1903 for x64-based Systems 10.0.0 – before publication
Microsoft Windows 10 Version 1903 for ARM64-based Systems 10.0.0 – before publication
Microsoft Windows Server, version 1903 (Server Core installation) 10.0.0 – before publication
Microsoft Windows 10 Version 2004 10.0.0 – before publication
Microsoft Windows Server version 2004 10.0.0 – before publication
Microsoft Windows 10 Version 1507 10.0.0 – before publication
Microsoft Windows 10 Version 1607 10.0.0 – before publication
Microsoft Windows Server 2016 10.0.0 – before publication
Microsoft Windows Server 2016 (Server Core installation) 10.0.0 – before publication
Microsoft Windows 7 6.1.0 – before publication
Microsoft Windows 7 Service Pack 1 6.1.0 – before publication
Microsoft Windows 8.1 6.3.0 – before publication
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.0 – before publication
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.0.0 – before publication
Microsoft Windows Server 2012 6.2.0 – before publication
Microsoft Windows Server 2012 (Server Core installation) 6.2.0 – before publication
Microsoft Windows Server 2012 R2 6.3.0 – before publication
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.0 – before publication

References