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CVE record · CVE-2021-1636

Microsoft SQL Elevation of Privilege Vulnerability

CVSS 8.8 HighEPSS 0.067 · 93rd percentile

Published by the CVE Program (CNA: microsoft) at 12 Jan 2021, 19:41 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 Microsoft SQL Server 2012 Service Pack 4 (QFE)
  • affected 11.0.0 to before publication custom
Microsoft Microsoft SQL Server 2012 for x64-based Systems Service Pack 4 (QFE)
  • affected 11.0.0 to before publication custom
Microsoft Microsoft SQL Server 2017 (GDR)
  • affected 14.0.0 to before publication custom
Microsoft Microsoft SQL Server 2014 Service Pack 3 (GDR)
  • affected 12.0.0 to before publication custom
Microsoft Microsoft SQL Server 2016 for x64-based Systems Service Pack 2 (GDR)
  • affected 13.0.0 to before publication custom
Microsoft Microsoft SQL Server 2014 Service Pack 3 (CU 4)
  • affected 12.0.0 to before publication custom
Microsoft Microsoft SQL Server 2017 (CU 22)
  • affected 14.0.0 to before publication custom
Microsoft Microsoft SQL Server 2016 Service Pack 2 (CU 15)
  • affected 13.0.0 to before publication custom
Microsoft Microsoft SQL Server 2019 (CU 8)
  • affected 16.0.0 to before publication custom
Microsoft Microsoft SQL Server 2019 (GDR)
  • affected 15.0.0 to before publication custom
Identifiers
CVE-2021-1636
CNA
microsoft
Weakness (CWE)
CWE-89
Tags
Published
12 Jan 2021
Updated
2 Nov 2026

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
8.8 High 3.1 CVSS:3.1/AV:N/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 0.067, the 93rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 12 Jan 2021, 19:41 UTC Confirmed by the CVE List
  2. 12 Jan 2021, 20:15 UTC Confirmed by NVD

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.