CISA KEV catalog
Confirmed active exploitation.
Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.
- Name
- Microsoft Windows Mount Manager Privilege Escalation Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
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 products
microsoft: windows 10; microsoft: windows 7; microsoft: windows 8; microsoft: windows 8.1; microsoft: windows rt; microsoft: windows rt 8.1; microsoft: windows server 2008; microsoft: windows server 2012; microsoft: windows vista
References7
- blogs.technet.com/b/srd/archive/2015/08/11/defending-against-cv… Vendor Advisory
- docs.microsoft.com/en-us/security-updates/securitybulletins/201… PatchVendor Advisory
- blogs.technet.com/b/srd/archive/2015/08/11/defending-against-cv… Vendor Advisory
- docs.microsoft.com/en-us/security-updates/securitybulletins/201… PatchVendor Advisory
- www.securitytracker.com/id/1033244 Third Party AdvisoryVDB Entry
- www.securitytracker.com/id/1033244 Third Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=… US Government Resource
Metrics
- CVSS 3.1
-
6.6
MEDIUM
Score source: CNA
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 4% percentile: 91 · as of 2 November 2026
- CWE
- CWE-264