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CVE-2015-1769

MEDIUM
6.6
CVSS Score
Published: August 15, 2015 at 12:00 AM UTC
Updated: June 17, 2026 at 12:22 AM UTC
9 products affected across 1 vendorWindows Server 2012Windows Server 2008Windows 10

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Severity
MEDIUM6.6
Exploitation
CISA KEV
Exploit prediction
EPSS 4%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score4.1%

EPSS (Exploit Prediction Scoring System) estimates a 4.1% chance this CVE is exploited in the wild within the next 30 days — higher than 91% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

A privilege escalation vulnerability exists when the Windows Mount Manager component improperly processes symbolic links.

Required Action
Apply updates per vendor instructions.
Ransomware Use
Unknown
Added to KEV
May 25, 2022
Remediation Due
Jun 15, 2022
1595 days overdue
Notes
https://nvd.nist.gov/vuln/detail/CVE-2015-1769

Description

Mount Manager in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 mishandles symlinks, which allows physically proximate attackers to execute arbitrary code by connecting a crafted USB device, aka "Mount Manager Elevation of Privilege Vulnerability."

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (4)

x_refsource_CONFIRMVendor Advisory
Source: [email protected]
http://blogs.technet.com/b/srd/archive/2015/08/11/defending-against-cve-2015-1769-a-logical-issue-exploited-via-a-malicious-usb-stick.aspx
VDB Entryx_refsource_SECTRACKThird Party Advisory
Source: [email protected]
http://www.securitytracker.com/id/1033244
Vendor Advisoryx_refsource_MSPatch
Source: [email protected]
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-085
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-1769

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.6MEDIUMCISA-ADP
Attack Vector
PHYSICAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-264

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