Risk Letters

Exploited vulnerability

CVE-2015-2546

TLP:CLEAR

Microsoft Win32k Memory Corruption Vulnerability

The kernel-mode driver in Microsoft Windows OS and Server allows local users to gain privileges via a crafted application.

Facts

  • Vendor: Microsoft
  • Product: Win32k
  • CVSS: 8.2
  • EPSS (probability of exploitation within 30 days): 10.1 %
  • On CISA's Known Exploited Vulnerabilities list since: 15 March 2022
  • First known exploitation: 15 March 2022
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 5 April 2022
  • Weakness: CWE-119
  • First seen by Risk Letters: 15 March 2022

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