Microsoft Windows up to Vista Mount Manager link following

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Microsoft Windows up to Vista. This vulnerability affects unknown code of the component Mount Manager. Such manipulation leads to link following. This vulnerability is documented as CVE-2015-1769. The attack needs to be performed locally. Additionally, an exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows up to Vista (Operating System) and classified as problematic. Affected by this issue is an unknown functionality of the component Mount Manager. The manipulation with an unknown input leads to a link following vulnerability. Using CWE to declare the problem leads to CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. Impacted is confidentiality, integrity, and availability.

The weakness was released 08/11/2015 with Microsoft as MS15-085 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability is handled as CVE-2015-1769 since 02/17/2015. The attack needs to be approached locally. The successful exploitation needs a simple authentication. Technical details are unknown but an exploit is available.

It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 85330 (MS15-085: Vulnerability in Mount Manager Could Allow Elevation of Privilege (3082487)), 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 91079 (Microsoft Windows Mount Manager Elevation of Privilege Vulnerability (MS15-085)). This issue was added on 05/25/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 06/15/2022:

Apply updates per vendor instructions.

Applying the patch MS15-085 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 Zero-Day.cz (365), Tenable (85330), SecurityFocus (BID 76222†), SecurityTracker (ID 1033244†) and Vulnerability Center (SBV-51872†). Entries connected to this vulnerability are available at VDB-77040, VDB-77039, VDB-77038 and VDB-77037. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

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

ADP CISA Base Score: 6.6
ADP CISA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 85330
Nessus Name: MS15-085: Vulnerability in Mount Manager Could Allow Elevation of Privilege (3082487)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Zero-Day.cz: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS15-085

Timelineinfo

02/17/2015 🔍
08/11/2015 +175 days 🔍
08/11/2015 +0 days 🔍
08/11/2015 +0 days 🔍
08/11/2015 +0 days 🔍
08/11/2015 +0 days 🔍
08/12/2015 +1 days 🔍
08/12/2015 +0 days 🔍
08/14/2015 +2 days 🔍
04/22/2026 +3904 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS15-085
Organization: Microsoft
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-1769 (🔍)
GCVE (CVE): GCVE-0-2015-1769
GCVE (VulDB): GCVE-100-77036
SecurityFocus: 76222 - Microsoft Windows Mount Manager CVE-2015-1769 Local Privilege Escalation Vulnerability
SecurityTracker: 1033244 - Windows Mount Manager Symbolic Link Error Lets Physically Local Users Gain Elevated Privileges
Vulnerability Center: 51872 - [MS15-085] Microsoft Windows Local Elevation of Privilege in Mount Manager, High

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

Entryinfo

Created: 08/12/2015 12:19
Updated: 04/22/2026 23:34
Changes: 08/12/2015 12:19 (64), 05/03/2019 06:54 (11), 06/09/2022 07:58 (2), 06/09/2022 08:04 (1), 04/26/2024 16:49 (26), 07/08/2024 14:38 (2), 09/09/2024 22:30 (1), 11/29/2024 09:03 (2), 01/17/2025 23:06 (1), 04/22/2026 23:34 (11)
Complete: 🔍
Cache ID: 216::103

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