microsoft windows-2003-server CVE-2015-1701 vulnerability in Microsoft Products
Published on April 21, 2015

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Win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Vista SP2, and Server 2008 SP2 allows local users to gain privileges via a crafted application, as exploited in the wild in April 2015, aka "Win32k Elevation of Privilege Vulnerability."

Vendor Advisory NVD

Known Exploited Vulnerability

This Microsoft Win32k Privilege Escalation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. An unspecified vulnerability exists in the Win32k.sys kernel-mode driver in Microsoft Windows Server that allows a local attacker to execute arbitrary code with elevated privileges.

The following remediation steps are recommended / required by March 24, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2015-1701 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Products Associated with CVE-2015-1701

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Microsoft Windows 2003 Server
 
Microsoft Windows 7
 
Microsoft Windows Server 2008
 
Microsoft Windows Vista
 

Exploit Probability

EPSS
89.66%
Percentile
99.55%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.