67083 : Microsoft Windows TAPI Server (TAPISRV) Service Isolation Bypass Local Privilege Escalation
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Disclosure Date


Microsoft Windows contains a flaw that may allow an attacker to gain access to unauthorized privileges. The issue is triggered when an error occurs in Windows Service Isolation, allowing a local attacker to leverage access to a process with NetworkService credentials to gain elevated privileges.


Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Workaround
Exploit: Exploit Private
Disclosure: Vendor Verified


Currently, there are no known upgrades or patches to correct this vulnerability. It is possible to temporarily work around the flaw by implementing the following workaround: Consult the Microsoft advisory's workaround section and apply the non-security update.


Microsoft Corporation
Windows XP
Professional x64 Edition SP2
Windows Vista
x64 Edition SP1
x64 Edition SP2
Windows Server 2008
for x64-based Systems SP2
for Itanium-based Systems SP2
Windows 7
Windows Server 2003
x64 Edition SP2
with SP2 for Itanium-based Systems
Windows Server 2008 R2
for Itanium-based Systems
for x64-based Systems


Tools & Filters



CVSSv2 Score

CVSSv2 Base Score = 6.8
Source: nvd.nist.gov | Generated: 2010-08-17 | Disagree?

Access_vector_0 Access_complexity_2 Authentication_1 Confidentiality_impact_2 Integrity_impact_2 Availability_impact_2


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