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CVE record · CVE-2026-77484

Microsoft SQL Server Remote Code Execution Vulnerability

CVSS 8.8 HighEPSS 0.017 · 77th percentile

Published by the CVE Program (CNA: microsoft) at 8 Sept 2026, 17:18 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 2019 (CU 32)
  • affected 15.0.0.0 to before 15.0.4490.9 custom
Microsoft Microsoft SQL Server 2019 (GDR)
  • affected 15.0.0 to before 15.0.2190.7 custom
Microsoft Microsoft SQL Server 2022 (CU 26)
  • affected 16.0.0.0 to before 16.0.4275.2 custom
Microsoft Microsoft SQL Server 2022 (GDR)
  • affected 16.0.0 to before 16.0.1200.5 custom
Microsoft Microsoft SQL Server 2025 (CU8)
  • affected 17.0.0.0 to before 17.0.4085.5 custom
Microsoft Microsoft SQL Server 2025 for x64-based Systems (GDR)
  • affected 17.0.1050.2 to before 17.0.1135.8 custom
Identifiers
CVE-2026-77484
CNA
microsoft
Weakness (CWE)
CWE-502
Tags
Published
8 Sept 2026
Updated
31 Oct 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 0.017, the 77th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 8 Sept 2026, 17:18 UTC Confirmed by the CVE List
  2. 31 Oct 2026, 16:26 UTC First seen by agentprime

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.