All vulnerabilities
CVE-2013-3660

Microsoft Win32k Privilege Escalation Vulnerability

Microsoft Win32kOperating systems
Open in ThreatlineRecord JSON
CVSS
7.8High
ExploitationExploited in the wildAdded to KEV 28 Mar 2022CISA KEV
Exploit odds (EPSS)39.3%Chance of exploitation activity in the next 30 days, higher than 98% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline18 Apr 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 15 May 2013Exploit code publicMetasploit
  2. 24 May 2013, 20:00 UTCPublishedCVE List
  3. 28 Mar 2022Added to CISA KEVCISA KEV

Public exploit code and templates 4

  • Exploit moduleWindows EPATHOBJ::pprFlattenRec Local Privilege Escalation 15 May 2013Metasploit
  • Local exploitMicrosoft Windows - 'EPATHOBJ::pprFlattenRec' Local Privilege Escalation (Metasploit) 2 Jul 2013Exploit-DB
  • Dos exploitMicrosoft Windows - Win32k!EPATHOBJ::pprFlattenRec Uninitialized Next Pointer Testcase 21 May 2013Exploit-DB
  • Local exploitMicrosoft Windows NT/2000/2003/2008/XP/Vista/7/8 - 'EPATHOBJ' Local Ring 3 Jun 2013Exploit-DB

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

The EPATHOBJ::pprFlattenRec function in win32k.sys in the kernel-mode drivers in Microsoft does not properly initialize a pointer for the next object in a certain list, which allows local users to gain privileges.

Text from CVE List

Affected versions 1

  • n/aaffected: n/aCVE List

References 4