8.8High

CVE-2026-77486Microsoft SQL Server Remote Code Execution Vulnerability

Microsoft Microsoft SQL Server 2017 (CU 31); Microsoft Microsoft SQL Server 2017 (GDR); Microsoft Microsoft SQL Server 2019 (CU 32); Microsoft Microsoft SQL Se… Published: 2026-09-08 20:18 (2 months ago)

Description

Integer overflow or wraparound in SQL Server allows an unauthorized attacker to execute code over a network.

Weakness (CWE): CWE-190 CWE-122

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
Microsoft	Microsoft SQL Server 2017 (CU 31)	14.0.0 – < 14.0.3550.4
Microsoft	Microsoft SQL Server 2017 (GDR)	14.0.0 – < 14.0.2130.4
Microsoft	Microsoft SQL Server 2019 (CU 32)	15.0.0.0 – < 15.0.4490.9
Microsoft	Microsoft SQL Server 2019 (GDR)	15.0.0 – < 15.0.2190.7
microsoft	sql server 2017	14.0.0 – < 14.0.2130.4
microsoft	sql server 2019	15.0.0 – < 15.0.2190.7

References and patches

Microsoft SQL Server Remote Code Execution Vulnerability vendor-advisorypatchVendor AdvisoryPatch

CPE matches (NVD) (4)

cpe:2.3:a:microsoft:sql_server_2017:*:*:*:*:*:*:x64:* < 14.0.2130.4
cpe:2.3:a:microsoft:sql_server_2017:*:*:*:*:*:*:x64:* ≥ 14.0.3006.16 < 14.0.3550.4
cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:* < 15.0.2190.7
cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:* ≥ 15.0.4003.23 < 15.0.4490.9

CVSS score

8.8High

Source: microsoft · CVSS 3.1

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

All scores (2)

cna	CVSS 3.1	8.8High
secure@microsoft.com	CVSS 3.1	8.8High

EPSS (chance of exploitation in 30 days)

0.82%

higher than 57% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: no
Technical impact: total

Timeline

ID reserved2026-08-20
Published2026-09-08 20:18
Reached IP-DB2026-10-24 23:47
Last updated2026-10-31 00:56

Assigned by (CNA): microsoft
NVD status: Analyzed

View at source: CVE.org · NVD

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