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CVE record · CVE-2019-0797

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'.

CVSS 7.8 HighCriticalIn CISA KEVEPSS 0.019 · 79th percentile

Critical, because:

  • In CISA’s KEV catalogue since 3 Nov 2021: it is known to be exploited.

How we decide what’s critical

Published by the CVE Program (CNA: microsoft) at 9 Apr 2019, 02:34 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Microsoft Windows Server
  • affected 2012
  • affected 2012 (Core installation)
  • affected 2012 R2
  • affected 2012 R2 (Core installation)
  • affected 2016
  • affected 2016 (Core installation)
  • affected version 1709 (Core Installation)
  • affected version 1803 (Core Installation)
  • affected 2019
  • affected 2019 (Core installation)
Microsoft Windows
  • affected 8.1 for 32-bit systems
  • affected 8.1 for x64-based systems
  • affected RT 8.1
  • affected 10 for 32-bit Systems
  • affected 10 for x64-based Systems
  • affected 10 Version 1607 for 32-bit Systems
  • affected 10 Version 1607 for x64-based Systems
  • affected 10 Version 1703 for 32-bit Systems
  • affected 10 Version 1703 for x64-based Systems
  • affected 10 Version 1709 for 32-bit Systems
  • affected 10 Version 1709 for x64-based Systems
  • affected 10 Version 1803 for 32-bit Systems
  • and 6 more
Identifiers
CVE-2019-0797
CNA
microsoft
Tags
Published
9 Apr 2019
Updated
21 Oct 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.8 High 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H ADP (CISA-ADP)
  • CISA KEV Listed since 3 Nov 2021: known to be exploited.
  • EPSS 0.019, the 79th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 9 Apr 2019. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.