Vulnerability in Microsoft Windows
CVE-2019-0859
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'. This CVE ID is unique from CVE-2019-0685, CVE-2019-0803.
EPSS: 0.106 (93.4th percentile) — read the EPSS interpretation.
Affected products
- Microsoft Windows — versions 7 for 32-bit Systems Service Pack 1, 7 for x64-based Systems Service Pack 1, 8.1 for 32-bit systems
- Microsoft Windows Server — versions 2008 R2 for x64-based Systems Service Pack 1 (Core installation), 2008 R2 for Itanium-Based Systems Service Pack 1, 2008 R2 for x64-based Systems Service Pack 1
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
- Sheisback/CVE-2019-0859-1day-Exploit
- 0xT11/CVE-POC
- 0xcyberpj/windows-exploitation
- 0xpetros/windows-privilage-escalation
- Ascotbe/Kernelhub
- Cruxer8Mech/Idk
- FULLSHADE/WindowsExploitationResources
- MustafaNafizDurukan/WindowsKernelExploitationResources
- NitroA/windowsexpoitationresources
- NullArray/WinKernel-Resources
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0859 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-0859?
- CVE-2019-0859 is a vulnerability in Microsoft Windows. Published 2019-04-09.
- Is CVE-2019-0859 known to be exploited?
- Yes. CVE-2019-0859 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 21 public proof-of-concept repositories are indexed.