Microsoft Windows up to Server 2012 Application Compatibility Cache AppCompatCache.exe AhcVerifyAdminContext Permission access control

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows up to Server 2012. It has been classified as problematic. The affected element is the function AhcVerifyAdminContext of the file AppCompatCache.exe of the component Application Compatibility Cache. The manipulation leads to access control (Permission). This vulnerability is documented as CVE-2015-0002. The attack needs to be performed locally. Additionally, an exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Microsoft Windows up to Server 2012 (Operating System). This issue affects the function AhcVerifyAdminContext of the file AppCompatCache.exe of the component Application Compatibility Cache. The manipulation with an unknown input leads to a access control vulnerability (Permission). Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, and integrity.

The weakness was released 01/13/2015 by James Forshaw as MS15-001 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. The identification of this vulnerability is CVE-2015-0002 since 11/18/2014. Attacking locally is a requirement. The requirement for exploitation is a simple authentication. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The exploit is available at packetstormsecurity.com. It is declared as highly functional. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 80490 (MS15-001: Vulnerability in Windows Application Compatibility Cache Could Allow Elevation of Privilege (3023266)), 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 91005 (Microsoft Windows Application Compatibility Cache Elevation of Privilege Vulnerability (MS15-001)).

Applying the patch MS15-001 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 X-Force (99523), Exploit-DB (35661), Tenable (80490), SecurityFocus (BID 71857†) and Secunia (SA61277†). Entry connected to this vulnerability is available at VDB-68496. Be aware that VulDB is the high quality source for vulnerability data.

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CPE 2.3info

CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 80490
Nessus Name: MS15-001: Vulnerability in Windows Application Compatibility Cache Could Allow Elevation of Privilege (3023266)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: ntapphelpcachecontrol.rb
MetaSploit Name: MS15-001 Microsoft Windows NtApphelpCacheControl Improper Authorization Check
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Patch: MS15-001
Fortigate IPS: 🔍

Timelineinfo

11/18/2014 🔍
12/29/2014 +41 days 🔍
12/30/2014 +1 days 🔍
01/04/2015 +5 days 🔍
01/13/2015 +9 days 🔍
01/13/2015 +0 days 🔍
01/13/2015 +0 days 🔍
01/13/2015 +0 days 🔍
01/13/2015 +0 days 🔍
01/14/2015 +1 days 🔍
06/16/2025 +3806 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS15-001
Researcher: James Forshaw
Status: Confirmed

CVE: CVE-2015-0002 (🔍)
GCVE (CVE): GCVE-0-2015-0002
GCVE (VulDB): GCVE-100-68591

OVAL: 🔍

X-Force: 99523
SecurityFocus: 71857 - Microsoft Windows 'AhcVerifyAdminContext' Function Local Privilege Escalation Vulnerability
Secunia: 61277
SecurityTracker: 1031527 - Windows Application Compatibility Cache Permission Check Flaw Lets Local Users Gain Elevated Privileges
Vulnerability Center: 47904 - [MS15-001] Microsoft Windows 8.1 Local Privilege Escalation due to a Flaw in Application Compatibility Cache, Medium

scip Labs: https://www.scip.ch/en/?labs.20140213
See also: 🔍

Entryinfo

Created: 01/14/2015 10:36
Updated: 06/16/2025 06:04
Changes: 01/14/2015 10:36 (75), 04/07/2017 16:05 (11), 03/02/2022 09:50 (2), 03/02/2022 09:51 (1), 07/01/2024 09:04 (18), 12/03/2024 13:02 (2), 06/16/2025 06:04 (1)
Complete: 🔍
Cache ID: 216:83D:103

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