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CVE record · CVE-2021-1698

Windows Win32k Elevation of Privilege Vulnerability

CVSS 7.8 HighEPSS 0.0066 · 51st percentile

Published by the CVE Program (CNA: microsoft) at 25 Feb 2021, 23:01 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 10 Version 20H2
  • affected 10.0.0 to before publication custom
Microsoft Windows Server version 20H2
  • affected 10.0.0 to before publication custom
Microsoft Windows 10 Version 1803
  • affected 10.0.0 to before publication custom
Microsoft Windows 10 Version 1809
  • affected 10.0.0 to before publication custom
Microsoft Windows Server 2019
  • affected 10.0.0 to before publication custom
Microsoft Windows Server 2019 (Server Core installation)
  • affected 10.0.0 to before publication custom
Microsoft Windows 10 Version 1909
  • affected 10.0.0 to before publication custom
Microsoft Windows Server, version 1909 (Server Core installation)
  • affected 10.0.0 to before publication custom
Microsoft Windows 10 Version 2004
  • affected 10.0.0 to before publication custom
Microsoft Windows Server version 2004
  • affected 10.0.0 to before publication custom
Identifiers
CVE-2021-1698
CNA
microsoft
Tags
Published
25 Feb 2021
Updated
3 Aug 2024

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/E:U/RL:O/RC:C CNA (microsoft)
  • CISA KEV Not listed.
  • EPSS 0.0066, the 51st percentile, on 5 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 25 Feb 2021. 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.