Vulnerability Details : CVE-2015-6126

Race condition in the Pragmatic General Multicast (PGM) protocol implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 Gold and 1511 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted application, aka "Windows PGM UAF Elevation of Privilege Vulnerability."

Vulnerability category: Memory CorruptionGain privilegeDenial of service

Published 2015-12-09 11:59:11

Updated 2019-05-16 19:06:42

Source Microsoft Corporation

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2015-6126

Probability of exploitation activity in the next 30 days: 0.05%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 19 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2015-6126

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
7.2	HIGH	AV:L/AC:L/Au:N/C:C/I:C/A:C	3.9	10.0	[email protected]
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete

CWE ids for CVE-2015-6126

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

Assigned by: [email protected] (Primary)
CWE-416 Use After Free

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

Assigned by: [email protected] (Primary)

References for CVE-2015-6126

http://www.securitytracker.com/id/1034339

Third Party Advisory;VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-133

Patch;Vendor Advisory

Products affected by CVE-2015-6126

Microsoft » Windows Vista » Version: N/A Update SP2
cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2008 » Version: N/A Update SP2
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2008 » Version: R2 Update SP1 For Itanium
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
Matching versions
Microsoft » Windows Server 2008 » Version: R2 Update SP1 For X64
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
Matching versions
Microsoft » Windows 7 » Version: N/A Update SP1
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
Matching versions
Microsoft » Windows 8 » Version: N/A
cpe:2.3:o:microsoft:windows_8:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2012 » Version: N/A
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2012 » Version: R2
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Rt » Version: N/A
cpe:2.3:o:microsoft:windows_rt:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows 8.1 » Version: N/A
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Rt 8.1 » Version: N/A
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows 10 » Version: N/A
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows 10 » Version: 1511
cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:*
Matching versions