CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.2	$0-$5k	0.00

A vulnerability was found in Microsoft Windows Vista SP2 up to Server 2012 R2 (Operating System). It has been rated as critical. This issue affects an unknown code block in the library win32k.sys of the component Kernel-Mode Driver. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability.

The weakness was published 07/12/2016 as MS16-090 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. The identification of this vulnerability is CVE-2016-3249 since 03/15/2016. The exploitation is known to be easy. An attack has to be approached locally. The requirement for exploitation is a simple authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 92021 (MS16-090: Security Update for Windows Kernel-Mode Drivers (3171481)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91253 (Microsoft Windows Security Update for Windows Kernel-Mode Drivers (MS16-090)).

Applying the patch MS16-090 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (92021) and SecurityFocus (BID 91597†). Similar entries are available at VDB-89046, VDB-89047, VDB-89048 and VDB-89049.

Productinfo

Type

• Operating System

Vendor

• Microsoft

Name

• Windows

Version

• 7 SP1
• 8.1
• 10
• RT 8.1
• Server 2008 R2 SP1
• Server 2008 SP2
• Server 2012
• Server 2012 R2
• Vista SP2

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 92021
Nessus Name: MS16-090: Security Update for Windows Kernel-Mode Drivers (3171481)
Nessus File: 🔍
Nessus Family: 🔍

OpenVAS ID: 863827
OpenVAS Name: Microsoft Kernel-Mode Drivers Multiple Privilege Elevation Vulnerabilities (3171481)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS16-090

Timelineinfo

03/15/2016 🔍
07/12/2016 +119 days 🔍
07/12/2016 +0 days 🔍
07/12/2016 +0 days 🔍
07/12/2016 +0 days 🔍
07/13/2016 +1 days 🔍
09/01/2022 +2241 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS16-090
Status: Confirmed

CVE: CVE-2016-3249 (🔍)
SecurityFocus: 91597 - Microsoft Windows Kernel 'Win32k.sys' CVE-2016-3249 Local Privilege Escalation Vulnerability
SecurityTracker: 1036288

scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔍

Entryinfo

Created: 07/13/2016 10:21 AM
Updated: 09/01/2022 06:38 PM
Changes: 07/13/2016 10:21 AM (66), 04/07/2017 04:05 PM (12), 09/01/2022 06:38 PM (4)
Complete: 🔍
Cache ID: 18:A7A:40

Discussion

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