CVE-2026-42990— SQL Server ODBC driver Elevation of Privilege Vulnerability

CVSS 9.8 · Critical EPSS 0.66% · P48 Updated Jul 24, 2026

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 20

Vendor	Product	Version Range	Status
Microsoft	Windows 10 Version 1607	`10.0.14393.0< 10.0.14393.9339`	affected
Microsoft	Windows 10 Version 1809	`10.0.17763.0< 10.0.17763.9020`	affected
Microsoft	Windows 10 Version 21H2	`10.0.19044.0< 10.0.19044.7548`	affected
Microsoft	Windows 10 Version 22H2	`10.0.19045.0< 10.0.19045.7548`	affected
Microsoft	Windows 11 version 23H2	`10.0.22631.0< 10.0.22631.7376`	affected
Microsoft	Windows 11 Version 23H2	`10.0.22631.0< 10.0.22631.7376`	affected
Microsoft	Windows 11 Version 24H2	`10.0.26100.0< 10.0.26100.8875`	affected
Microsoft	Windows 11 Version 25H2	`10.0.26200.0< 10.0.26200.8875`	affected
Microsoft	Windows 11 version 26H1	`10.0.28000.0< 10.0.28000.2525`	affected
Microsoft	Windows Server 2012	`6.2.9200.0< 6.2.9200.26132`	affected
Microsoft	Windows Server 2012 (Server Core installation)	`6.2.9200.0< 6.2.9200.26132`	affected
Microsoft	Windows Server 2012 R2	`6.3.9600.0< 6.3.9600.23228`	affected
Microsoft	Windows Server 2012 R2 (Server Core installation)	`6.3.9600.0< 6.3.9600.23228`	affected
Microsoft	Windows Server 2016	`10.0.14393.0< 10.0.14393.9339`	affected
Microsoft	Windows Server 2016 (Server Core installation)	`10.0.14393.0< 10.0.14393.9339`	affected
Microsoft	Windows Server 2019	`10.0.17763.0< 10.0.17763.9020`	affected
Microsoft	Windows Server 2019 (Server Core installation)	`10.0.17763.0< 10.0.17763.9020`	affected
Microsoft	Windows Server 2022	`10.0.20348.0< 10.0.20348.5386`	affected
Microsoft	Windows Server 2025	`10.0.26100.0< 10.0.26100.33158`	affected
Microsoft	Windows Server 2025 (Server Core installation)	`10.0.26100.0< 10.0.26100.33158`	affected

Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-42990

Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!

View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title

SQL Server ODBC driver Elevation of Privilege Vulnerability

Source: CVE Program / CVE List V5

Vulnerability Description

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

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

堆缓冲区溢出

Source: CVE Program / CVE List V5

Vulnerability Title

Microsoft SQL Server ODBC driver 缓冲区错误漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Microsoft odbc driver for sql server是美国Microsoft公司的一个连接SQLServer数据库的ODBC驱动。 Microsoft SQL Server ODBC driver存在缓冲区错误漏洞，该漏洞源于堆缓冲区溢出，可能导致未经授权的攻击者通过网络执行代码。以下版本受到影响：Windows 10 Version 1607 10.0.14393.0之前版本、Windows 10 Version 1809 10.0.17763.0之前版本、Windows 10 Ve

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE
Microsoft	Windows 10 Version 1607	10.0.14393.0 ~ 10.0.14393.9339	-
Microsoft	Windows 10 Version 1809	10.0.17763.0 ~ 10.0.17763.9020	-
Microsoft	Windows 10 Version 21H2	10.0.19044.0 ~ 10.0.19044.7548	-
Microsoft	Windows 10 Version 22H2	10.0.19045.0 ~ 10.0.19045.7548	-
Microsoft	Windows 11 version 23H2	10.0.22631.0 ~ 10.0.22631.7376	-
Microsoft	Windows 11 Version 23H2	10.0.22631.0 ~ 10.0.22631.7376	-
Microsoft	Windows 11 Version 24H2	10.0.26100.0 ~ 10.0.26100.8875	-
Microsoft	Windows 11 Version 25H2	10.0.26200.0 ~ 10.0.26200.8875	-
Microsoft	Windows 11 version 26H1	10.0.28000.0 ~ 10.0.28000.2525	-
Microsoft	Windows Server 2012	6.2.9200.0 ~ 6.2.9200.26132	-
Microsoft	Windows Server 2012 (Server Core installation)	6.2.9200.0 ~ 6.2.9200.26132	-
Microsoft	Windows Server 2012 R2	6.3.9600.0 ~ 6.3.9600.23228	-
Microsoft	Windows Server 2012 R2 (Server Core installation)	6.3.9600.0 ~ 6.3.9600.23228	-
Microsoft	Windows Server 2016	10.0.14393.0 ~ 10.0.14393.9339	-
Microsoft	Windows Server 2016 (Server Core installation)	10.0.14393.0 ~ 10.0.14393.9339	-
Microsoft	Windows Server 2019	10.0.17763.0 ~ 10.0.17763.9020	-
Microsoft	Windows Server 2019 (Server Core installation)	10.0.17763.0 ~ 10.0.17763.9020	-
Microsoft	Windows Server 2022	10.0.20348.0 ~ 10.0.20348.5386	-
Microsoft	Windows Server 2025	10.0.26100.0 ~ 10.0.26100.33158	-
Microsoft	Windows Server 2025 (Server Core installation)	10.0.26100.0 ~ 10.0.26100.33158	-

II. Public POCs for CVE-2026-42990

#	POC Description	Source Link	Shenlong Link

AI-Generated POCPremium

No public POC found.

III. Intelligence Information for CVE-2026-42990

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-42990 (1)

🔗 CVE-2026-42990 - Security Update Guide - Microsoft - SQL Server ODBC driver Elevation of Privilege Vulnerabilityvendor-advisorypatch

https://www.cve.org/CVERecord?id=CVE-2026-42990

Same Patch Batch · Microsoft · 2026-07-14 · 570 CVEs total

CVE-2026-57092	9.9 CRITICAL	Microsoft Windows VMSwitch Elevation of Privilege Vulnerability
CVE-2026-55010	9.8 CRITICAL	Minecraft Bedrock Dedicated Server Remote Code Execution Vulnerability
CVE-2026-58644	9.8 CRITICAL	Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2026-50518	9.8 CRITICAL	Windows DHCP Server Remote Code Execution Vulnerability
CVE-2026-50447	9.8 CRITICAL	Windows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability
CVE-2026-56188	9.8 CRITICAL	Windows Server Network driver Remote Code Execution Vulnerability
CVE-2026-54990	9.8 CRITICAL	Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-56190	9.8 CRITICAL	Remote Desktop Protocol Remote Code Execution Vulnerability
CVE-2026-49172	9.8 CRITICAL	Windows FTP Service Remote Code Execution Vulnerability
CVE-2026-50522	9.8 CRITICAL	Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2026-56159	9.8 CRITICAL	DHCP Server Service Remote Code Execution Vulnerability
CVE-2026-55944	9.8 CRITICAL	Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Co
CVE-2026-48561	9.6 CRITICAL	Microsoft Copilot Remote Code Execution Vulnerability
CVE-2026-50380	9.6 CRITICAL	Windows GDI+ Remote Code Execution Vulnerability
CVE-2026-55008	9.6 CRITICAL	Microsoft Exchange Server Spoofing Vulnerability
CVE-2026-49798	9.3 CRITICAL	Windows Kernel Elevation of Privilege Vulnerability
CVE-2026-55040	9.1 CRITICAL	Microsoft SharePoint Server Security Feature Bypass Vulnerability
CVE-2026-50474	8.8 HIGH	Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-58608	8.8 HIGH	Windows Print Spooler Remote Code Execution Vulnerability
CVE-2026-58277	8.8 HIGH	Microsoft SharePoint Elevation of Privilege Vulnerability

Showing top 20 of 570 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1607

Same vendor: Microsoft

Same weakness: CWE-122

V. Comments for CVE-2026-42990

No comments yet

Goal Reached Thanks to every supporter — we hit 100%!

CVE-2026-42990— SQL Server ODBC driver Elevation of Privilege Vulnerability

Possible ATT&CK Techniques 1AI

Affected Version Matrix 20

I. Basic Information for CVE-2026-42990

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-42990

III. Intelligence Information for CVE-2026-42990

Vendor Advisories for CVE-2026-42990 (1)

Same Patch Batch · Microsoft · 2026-07-14 · 570 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2026-42990

Leave a comment