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CVE-2015-1769

Microsoft Windows Mount Manager Privilege Escalation

6.6 MEDIUMActively exploited (CISA KEV)EPSS 4.08%
  1. Published14 Aug 2015
  2. Added to CISA KEV25 May 2022
  3. Remediation due15 Jun 2022
Actively exploited (CISA KEV)

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

Added to KEV: 25 May 2022Federal remediation due: 15 Jun 2022

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."

CVSS 3.1 breakdown

Attack vectorPhysical
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Microsoft Windows 10all versions
Microsoft Windows 7all versions
Microsoft Windows 8all versions
Microsoft Windows 8.1all versions
Microsoft Windows Rtall versions
Microsoft Windows Rt 8.1all versions
Microsoft Windows Server 2008r2
Microsoft Windows Server 2012r2
Microsoft Windows Vistaall versions

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2015-1769 being actively exploited?

Yes. CVE-2015-1769 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 25 May 2022.

How severe is CVE-2015-1769?

CVE-2015-1769 has a CVSS 3.1 base score of 6.6, rated medium. EPSS estimates a 4.08% probability of exploitation.

Which products are affected by CVE-2015-1769?

Affected products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8, Microsoft Windows 8.1, Microsoft Windows Rt, and 4 more.

How do I fix CVE-2015-1769?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2015-1769 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.