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CVE record · CVE-2019-1322

Microsoft Windows: An elevation of privilege vulnerability exists when Windows improperly handles…

CVSS 7.8 HighCriticalIn CISA KEV · ransomwareEPSS 0.19 · 97th percentile

Critical, because:

  • In CISA’s KEV catalogue since 15 Mar 2022: it is known to be exploited.
  • CVSS score 7.8 (7.0 or more) and EPSS 0.19 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

How we decide what’s critical

Published by the CVE Program (CNA: microsoft) at 10 Oct 2019, 13:28 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
  • affected 10 Version 1803 for 32-bit Systems
  • affected 10 Version 1803 for x64-based Systems
  • affected 10 Version 1803 for ARM64-based Systems
  • affected 10 Version 1809 for 32-bit Systems
  • affected 10 Version 1809 for x64-based Systems
  • affected 10 Version 1809 for ARM64-based Systems
Microsoft Windows Server
  • affected version 1803 (Core Installation)
  • affected 2019
  • affected 2019 (Core installation)
Microsoft Windows 10 Version 1903 for 32-bit Systems
  • affected unspecified
Microsoft Windows 10 Version 1903 for x64-based Systems
  • affected unspecified
Microsoft Windows 10 Version 1903 for ARM64-based Systems
  • affected unspecified
Microsoft Windows Server, version 1903 (Server Core installation)
  • affected unspecified
Identifiers
CVE-2019-1322
CNA
microsoft
Tags
Published
10 Oct 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 15 Mar 2022: known to be exploited. CISA reports use in ransomware campaigns.
  • EPSS 0.19, the 97th percentile, on 6 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 10 Oct 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.