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Medium5.5Microsoft Server

Medium [CVE-2020-0963] Windows GDI Information Disclosure Vulnerability

This medium-severity Microsoft Server advisory covers CVE-2020-0963 affecting Windows Server 2008 R2 Service Pack 1 (Server Core installation), Windows Server 2008 Service Pack 2 (Server Core installation), Windows Server 2012 (Server Core installation).

CVE-2020-0963 Published May 21, 2020Updated by vendor Aug 19, 2026
CVE-2020-0963
Affected products & platforms
Microsoft ServerWindows Server
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Summary

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.

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 the Windows GDI component handles objects in memory.

Affected products named by the advisory: Windows Server 2008 R2 Service Pack 1; Windows Server 2008 R2 Service Pack 1 (Server Core installation); Windows Server 2008 Service Pack 2; Windows Server 2008 Service Pack 2 (Server Core installation); and 11 more.

Affected products named by the advisory: Windows Server 2012 (Server Core installation); Windows Server 2012 R2 (Server Core installation); Windows Server 2016 (Server Core installation); Windows Server 2019 (Server Core installation); and 3 more.

Affected versions
  • Windows 10 Version 1507 10.0.10240.0 before publication
  • Windows 10 Version 1607 10.0.14393.0 before publication
  • Windows 10 Version 1709 10.0.0 before publication
  • Windows 10 Version 1709 for 32-bit Systems 10.0.0 before publication
  • Windows 10 Version 1803 10.0.0 before publication
  • Windows 10 Version 1809 10.0.17763.0 before publication
  • Windows 10 Version 1809 10.0.0 before publication
  • Windows 10 Version 1903 for 32-bit Systems 10.0.0 before publication
  • Windows 10 Version 1903 for ARM64-based Systems 10.0.0 before publication
  • Windows 10 Version 1903 for x64-based Systems 10.0.0 before publication
  • Windows 10 Version 1909 10.0.0 before publication
  • Windows 7 6.1.0 before publication

Official advisory · high-confidence parse· fetched 1 hour ago·verify at source

Fixed versions
  • publication

Official advisory · high-confidence parse· fetched 1 hour ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory.

Official advisory · high-confidence parse· fetched 1 hour ago·verify at source

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