Microsoft Windows 10/Server 2016 Task Scheduler access control

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows 10/Server 2016. It has been classified as critical. The affected element is an unknown function of the component Task Scheduler. This manipulation causes access control. This vulnerability is registered as CVE-2016-7222. The attack needs to be launched locally. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as critical was found in Microsoft Windows 10/Server 2016 (Operating System). Affected by this vulnerability is an unknown code block of the component Task Scheduler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Task Scheduler in Microsoft Windows 10 Gold, 1511, and 1607 and Windows Server 2016 allows local users to gain privileges via a crafted UNC pathname in a task, aka "Task Scheduler Elevation of Privilege Vulnerability."

The weakness was published 11/08/2016 as MS16-130 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. This vulnerability is known as CVE-2016-7222 since 09/09/2016. The exploitation appears to be easy. An attack has to be approached locally. The requirement for exploitation is a single authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/29/2022). MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 94631 (MS16-130: Security Update for Microsoft Windows (3199172)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91302 (Microsoft IME Elevation of Privilege Vulnerability (MS16-130)).

Applying the patch MS16-130 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 (94631) and SecurityFocus (BID 94023†). Similar entries are available at VDB-93383 and VDB-93384. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 94631
Nessus Name: MS16-130: Security Update for Microsoft Windows (3199172)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 54208
OpenVAS Name: Microsoft Windows Multiple Vulnerabilities (3199172)
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: MS16-130

Timelineinfo

09/09/2016 🔍
11/08/2016 +60 days 🔍
11/08/2016 +0 days 🔍
11/08/2016 +0 days 🔍
11/08/2016 +0 days 🔍
11/09/2016 +1 days 🔍
11/10/2016 +1 days 🔍
09/29/2022 +2149 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS16-130
Status: Confirmed

CVE: CVE-2016-7222 (🔍)
GCVE (CVE): GCVE-0-2016-7222
GCVE (VulDB): GCVE-100-93385

OVAL: 🔍

SecurityFocus: 94023 - Microsoft Windows Task Scheduler CVE-2016-7222 Local Privilege Escalation Vulnerability
SecurityTracker: 1037241

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

Entryinfo

Created: 11/09/2016 09:57
Updated: 09/29/2022 20:10
Changes: 11/09/2016 09:57 (72), 05/27/2019 22:33 (11), 09/29/2022 20:10 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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