Risk Letters

Exploited vulnerability

CVE-2013-3660

TLP:CLEAR

Microsoft Win32k Privilege Escalation Vulnerability

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.

Facts

  • Vendor: Microsoft
  • Product: Win32k
  • CVSS: 7.8
  • EPSS (probability of exploitation within 30 days): 39.3 %
  • On CISA's Known Exploited Vulnerabilities list since: 28 March 2022
  • First known exploitation: 28 March 2022
  • CISA's deadline for US federal agencies: 18 April 2022
  • Weakness: CWE-119
  • First seen by Risk Letters: 28 March 2022

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD