CVE-2026-77482

Microsoft SQL Server Remote Code Execution Vulnerability

At a glance

Severity
HIGH 8.8
EPSS
EPSS 0.82 % · percentile 57 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
microsoft
NVD status
Analyzed

Description

Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Cmicrosoft
CVSS 3.1HIGH 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HNVD · secure@microsoft.com (Secondary)

Weaknesses (CWE)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Microsoft · Microsoft SQL Server 2017 (CU 31)affected 14.0.0 < 14.0.3550.4
Microsoft · Microsoft SQL Server 2017 (GDR)affected 14.0.0 < 14.0.2130.4
Microsoft · Microsoft SQL Server 2019 (CU 32)affected 15.0.0.0 < 15.0.4490.9
Microsoft · Microsoft SQL Server 2019 (GDR)affected 15.0.0 < 15.0.2190.7

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD