// For flags

CVE-2015-0058

Microsoft Windows win32k.sys Dangling Pointer Privilege Escalation Vulnerability

Severity Score

7.2
*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Double free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows 8.1, Windows Server 2012 R2, and Windows RT 8.1 allows local users to gain privileges via a crafted application, aka "Windows Cursor Object Double Free Vulnerability."

Vulnerabilidad de doble liberación en win32k.sys en los controladores del modo de kernel en Microsoft Windows 8.1, Windows Server 2012 R2, y Windows RT 8.1 permite a usuarios locales ganar privilegios a través de una aplicación manipulada, también conocido como 'vulnerabilidad de la doble liberación del objeto del cursor de Windows.'

This vulnerability allows for elevation of privilege on vulnerable installations of Microsoft Windows. An attacker must have valid logon credentials and be able to log on locally to exploit this vulnerability.
The specific flaw exists within the usage of Cursor objects. The issue lies in the failure to properly handle error conditions leading to a pointer not being reset. An attacker can leverage this vulnerability to raise privileges and execute code under the context of SYSTEM.

*Credits: n3phos
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
Attack Vector
Local
Attack Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2014-11-18 CVE Reserved
  • 2015-02-10 CVE Published
  • 2015-05-25 First Exploit
  • 2024-08-06 CVE Updated
  • 2024-09-23 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-415: Double Free
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Microsoft
Search vendor "Microsoft"
Windows 8.1
Search vendor "Microsoft" for product "Windows 8.1"
--
Affected
Microsoft
Search vendor "Microsoft"
Windows Rt 8.1
Search vendor "Microsoft" for product "Windows Rt 8.1"
--
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2012
Search vendor "Microsoft" for product "Windows Server 2012"
r2
Search vendor "Microsoft" for product "Windows Server 2012" and version "r2"
-
Affected