Microsoft Windows Vista SP2 up to Server 2012 R2 win32k.sys access control

CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.4 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, was found in Microsoft Windows Vista SP2 up to Server 2012 R2 (Operating System). Affected is an unknown code in the library win32k.sys. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was released 10/11/2016 with Qihoo 360 Vulcan Team as MS16-123 as confirmed bulletin (Technet). The advisory is available at technet.microsoft.com. This vulnerability is traded as CVE-2016-3266 since 03/15/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/23/2022). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.
The vulnerability scanner Nessus provides a plugin with the ID 94012 (MS16-123: Security Update for Windows Kernel-Mode Drivers (3192892)), 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 91289 (Microsoft Windows Security Update for Kernel-Mode Drivers (MS16-123)).
Applying the patch MS16-123 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 vulnerability database at Tenable (94012). Entries connected to this vulnerability are available at 92249, 92590, 92589 and 92588.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: 🔍
Exploiting
Class: Access controlCWE: CWE-264
ATT&CK: T1068
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 94012
Nessus Name: MS16-123: Security Update for Windows Kernel-Mode Drivers (3192892)
Nessus File: 🔍
Nessus Family: 🔍
OpenVAS ID: 802074
OpenVAS Name: Microsoft Windows Kernel-Mode Drivers Privilege Elevation Vulnerabilities (3192892)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: MS16-123
Timeline
03/15/2016 🔍10/11/2016 🔍
10/11/2016 🔍
10/11/2016 🔍
10/12/2016 🔍
10/13/2016 🔍
09/23/2022 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: MS16-123
Organization: Qihoo 360 Vulcan Team
Status: Confirmed
CVE: CVE-2016-3266 (🔍)
SecurityTracker: 1036996
SecurityFocus: 93384 - Microsoft Windows Kernel 'Win32k.sys' CVE-2016-3266 Local Privilege Escalation Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔍
Entry
Created: 10/12/2016 10:43 AMUpdated: 09/23/2022 09:47 AM
Changes: 10/12/2016 10:43 AM (65), 04/07/2017 01:25 PM (13), 09/23/2022 09:47 AM (4)
Complete: 🔍
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