Description
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly handle window messaging, which allows local users to gain privileges via a crafted application that calls the PostMessage function, aka "PostMessage Function Vulnerability."
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Microsoft / Windows 7
- Microsoft / Windows 7
- Microsoft / Windows 7
- Microsoft / Windows 7
- Microsoft / windows_server_2003
- Microsoft / windows_server_2008
- Microsoft / windows_server_2008
- Microsoft / windows_server_2008
- Microsoft / windows_server_2008r2 – r2
- Microsoft / windows_server_2008r2 – r2
- Microsoft / windows_vista
- Microsoft / windows_xp
- Microsoft / windows_xp