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 validate user-mode input, which allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via a crafted application, aka "Win32k Null Pointer De-reference Vulnerability."
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High
Affected products
- Microsoft / windows_2003_server
- 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