Vulnerability Details : CVE-2015-1721
The kernel-mode drivers in Microsoft Windows Server 2003 SP2 and R2 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allow 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 Dereference Vulnerability."
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2015-1721
- cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2003:r2:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_8:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_rt:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-1721
2.69%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 85 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-1721
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST |
CWE ids for CVE-2015-1721
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-1721
-
http://www.securitytracker.com/id/1032525
Windows Kernel Lets Local Users Obtain Potentially Sensitive Information and Gain Elevated Privileges - SecurityTrackerThird Party Advisory;VDB Entry
-
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-061
Microsoft Security Bulletin MS15-061 - Important | Microsoft DocsPatch;Vendor Advisory
-
https://www.exploit-db.com/exploits/38274/
Microsoft Windows Kernel - Null Pointer Dereference with Window Station and Clipboard (MS15-061)Third Party Advisory;VDB Entry
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