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Critical severity9.8NVD Advisory· Published Jul 14, 2026· Updated Aug 20, 2026

CVE-2026-54117

CVE-2026-54117

Description

Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code over a network.

Affected products

6

Microsoft/SQL Server6 versions
cpe:2.3:a:microsoft:sql_server_2016:*:*:*:*:*:*:x64:*+ 5 more
- cpe:2.3:a:microsoft:sql_server_2016:*:*:*:*:*:*:x64:*range: >=13.0.6300.2,<13.0.6500.1
- cpe:2.3:a:microsoft:sql_server_2017:*:*:*:*:*:*:x64:*range: >=14.0.1000.169,<14.0.2120.1
- cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*range: >=15.0.2000.5,<15.0.2180.2
- cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*range: >=16.0.1000.6,<16.0.1190.2
- cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*range: >=17.0.1000.7,<17.0.1125.2
- (no CPE)

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54117nvdPatchVendor Advisory

News mentions

0

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