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Fencer Intel
high 8.8

CVE-2021-1636 json

Microsoft SQL Elevation of Privilege Vulnerability

published 5y ago modified 7d ago also EUVD-2021-7103

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
6.5%
EPSS 6.5% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

Microsoft SQL Elevation of Privilege Vulnerability

Is CVE-2021-1636 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
7d ago

Exploit prediction

6.51% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 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 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • Microsoft Microsoft SQL Server 2012 Service Pack 4 (QFE)
  • Microsoft Microsoft SQL Server 2012 for x64-based Systems Service Pack 4 (QFE)
  • Microsoft Microsoft SQL Server 2017 (GDR)
  • Microsoft Microsoft SQL Server 2014 Service Pack 3 (GDR)
  • Microsoft Microsoft SQL Server 2016 for x64-based Systems Service Pack 2 (GDR)
  • Microsoft Microsoft SQL Server 2014 Service Pack 3 (CU 4)
  • Microsoft Microsoft SQL Server 2017 (CU 22)
  • Microsoft Microsoft SQL Server 2016 Service Pack 2 (CU 15)
  • Microsoft Microsoft SQL Server 2019 (CU 8)
  • Microsoft Microsoft SQL Server 2019 (GDR)

Classification

Weakness
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.