VulnTideExploited vulnerabilities, by vendor. Data as of .
Not in CISA KEVReported exploited: VulnCheck KEV since Published EPSS 6% probability of exploitation in 30 days
Microsoft

CVE-2019-0623: An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects…

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .

VulnCheck KEV lists it since . It cites 1 public report, the first from .

How likely is exploitation in the next 30 days?
6%

Up from 5.9% on .

EPSS score, percentile 93.3 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?
Not scored

The CVE record carries no CVSS score.

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

  • 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
  • 10 for 32-bit Systems

and 18 more in the table below

Versions by product

Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.

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'.

Source: CVE List, as of . About the data.

What to do

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Versions by product, as listed in the CVE record (2 products)
Microsoft Windows
StatusVersions
Affected7 for 32-bit Systems Service Pack 1
Affected7 for x64-based Systems Service Pack 1
Affected8.1 for 32-bit systems
Affected8.1 for x64-based systems
AffectedRT 8.1
Affected10 for 32-bit Systems
Affected10 for x64-based Systems
Affected10 Version 1607 for 32-bit Systems
Affected10 Version 1607 for x64-based Systems
Affected10 Version 1703 for 32-bit Systems
Affected10 Version 1703 for x64-based Systems
Affected10 Version 1709 for 32-bit Systems

And 5 more version entries in the CVE record.

Microsoft Windows Server
StatusVersions
Affected2008 R2 for x64-based Systems Service Pack 1 (Core installation)
Affected2008 R2 for Itanium-Based Systems Service Pack 1
Affected2008 R2 for x64-based Systems Service Pack 1
Affected2008 for 32-bit Systems Service Pack 2 (Core installation)
Affected2012
Affected2012 (Core installation)
Affected2012 R2
Affected2012 R2 (Core installation)
Affected2016
Affected2016 (Core installation)
Affectedversion 1709 (Core Installation)
Affectedversion 1803 (Core Installation)

And 4 more version entries in the CVE record.

Source: CVE List, as of . About the data.

Timeline

DateEvent
CVE record published
CVE record last updated

References

2

Known exploited Microsoft vulnerabilities

  • CVE-2026-96951: Microsoft Windows Command Injection Vulnerability (added )
  • CVE-2026-65660: Microsoft SharePoint Code Injection Vulnerability (added )
  • CVE-2026-81963: Microsoft Windows Link Following Vulnerability (added )
  • CVE-2026-85880: Microsoft Windows Heap-Based Buffer Overflow Vulnerability (added )
  • CVE-2019-1068: Microsoft SQL Server Remote Code Execution Vulnerability (added )