All vulnerabilities
CVE-2019-0808

Microsoft Win32k Privilege Escalation Vulnerability

Microsoft Win32kOperating systems
CVSS
7.8High
ExploitationExploited in the wildAdded to KEV 3 Nov 2021CISA KEV
Exploit odds (EPSS)53.0%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 deadline3 May 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. 12 Mar 2019Exploit code publicMetasploit
  2. 9 Apr 2019, 02:31 UTCPublishedCVE List
  3. 3 Nov 2021Added to CISA KEVCISA KEV

Public exploit code and templates 2

  • Exploit moduleMicrosoft Windows NtUserMNDragOver Local Privilege Elevation 12 Mar 2019Metasploit
  • Dos exploitMicrosoft Windows 7/2008 - 'Win32k' Denial of Service (PoC) 26 Mar 2019Exploit-DB

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

Description

Microsoft Win32k contains a privilege escalation vulnerability due to the component failing to properly handle objects in memory. Successful exploitation allows an attacker to run code in kernel mode.

Text from CVE List

Affected versions 10

  • Windowsaffected: 7 for 32-bit Systems Service Pack 1CVE List
  • Windowsaffected: 7 for x64-based Systems Service Pack 1CVE List
  • Windows Serveraffected: 2008 R2 for x64-based Systems Service Pack 1 (Core installation)CVE List
  • Windows Serveraffected: 2008 R2 for Itanium-Based Systems Service Pack 1CVE List
  • Windows Serveraffected: 2008 R2 for x64-based Systems Service Pack 1CVE List
  • Windows Serveraffected: 2008 for 32-bit Systems Service Pack 2 (Core installation)CVE List
  • Windows Serveraffected: 2008 for Itanium-Based Systems Service Pack 2CVE List
  • Windows Serveraffected: 2008 for 32-bit Systems Service Pack 2CVE List
  • Windows Serveraffected: 2008 for x64-based Systems Service Pack 2CVE List
  • Windows Serveraffected: 2008 for x64-based Systems Service Pack 2 (Core installation)CVE List

References 3