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vulnerability CVE-2015-0098

Windows: privilege escalation via Task Scheduler

Synthesis of the vulnerability

A local attacker can use the Task Scheduler of Windows, in order to escalate his privileges.
Impacted software: Windows 2008 R2, Windows 7.
Severity of this computer vulnerability: 2/4.
Consequences of an attack: administrator access/rights, privileged access/rights.
Attacker's origin: user shell.
Creation date: 14/04/2015.
Références of this announce: 3046269, CERTFR-2015-AVI-155, CVE-2015-0098, MS15-037, VIGILANCE-VUL-16600.

Description of the vulnerability

The Task Scheduler service of Windows runs programmed commands.

However, an attacker can use an invalid task present on some systems, in order to execute code with System privileges.

A local attacker can therefore use the Task Scheduler of Windows, in order to escalate his privileges.
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