7.8High KEV Used in ransomware

CVE-2019-1458Microsoft Win32k Privilege Escalation Vulnerability

Microsoft Windows; Microsoft Windows Server Published: (6 years ago)

Known exploited — Microsoft Win32k Privilege Escalation Vulnerability

CISA confirmed this vulnerability is used in real attacks on 10.01.2022. Remediation deadline for US federal agencies: 10.07.2022.

Required action: Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2019-1458

Description

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
Microsoft Windows 10 for 32-bit Systems, 10 for x64-based Systems, 10 Version 1607 for 32-bit Systems, 10 Version 1607 for x64-based Systems, 7 for 32-bit Systems Service Pack 1, 7 for x64-based Systems Service Pack 1, 8.1 for 32-bit systems, 8.1 for x64-based systems, RT 8.1
microsoft windows 10 1507 —
microsoft windows 10 1607 —
microsoft windows 7 —
microsoft windows 8.1 —
microsoft windows rt 8.1 —
Microsoft Windows Server 2016, 2016 (Core installation), 2008 for 32-bit Systems Service Pack 2, 2008 for 32-bit Systems Service Pack 2 (Core installation), 2008 for Itanium-Based Systems Service Pack 2, 2008 for x64-based Systems Service Pack 2, 2008 for x64-based Systems Service Pack 2 (Core installation), 2008 R2 for Itanium-Based Systems Service Pack 1, 2008 R2 for x64-based Systems Service Pack 1, 2008 R2 for x64-based Systems Service Pack 1 (Core installation), 2012, 2012 (Core installation), 2012 R2, 2012 R2 (Core installation)
microsoft windows server 2008 r2
microsoft windows server 2012 r2
microsoft windows server 2016 —

References and patches

CPE matches (NVD) (13)

  • cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:itanium:*
  • cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
  • cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*