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

Goal: 1000 CNY · Raised: 1359 CNY

100%

Buy Us a Coffee

CVE-2026-78442— Windows OLE DB Remote Code Execution Vulnerability

Quick assessment

Affected

Microsoft Microsoft SQL Server 2017 (CU 31)

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Windows是美国Microsoft公司的一款操作系统产品。 Microsoft Windows存在缓冲区错误漏洞，该漏洞源于Windows OLE DB组件存在堆缓冲区溢出，可能导致未经授权的攻击者通过网络执行代码。以下产品及版本受到影响：Microsoft SQL Server 2017 (CU 31) 14.0.0至14.0.3550.4之前版本、Microsoft SQL Server 2017 (GDR) 14.0.0至14.0.2130.4之前版本、Microsoft S

CVSS 8.8 · High EPSS 0.82% · P57 Updated Oct 15, 2026

Possible ATT&CK Techniques 2 AI

T1190 · Exploit Public-Facing Application T1190.001

Affected Version Matrix 4

Vendor	Product	Version Range	Status
Microsoft	Microsoft SQL Server 2017 (CU 31)	`14.0.0< 14.0.3550.4`	affected
Microsoft	Microsoft SQL Server 2017 (GDR)	`14.0.0< 14.0.2130.4`	affected
Microsoft	Microsoft SQL Server 2019 (CU 32)	`15.0.0.0< 15.0.4490.9`	affected
Microsoft	Microsoft SQL Server 2019 (GDR)	`15.0.0< 15.0.2190.7`	affected

Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-78442

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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

Windows OLE DB Remote Code Execution Vulnerability

Source: CVE Program / CVE List V5

Vulnerability Description

Heap-based buffer overflow in Windows OLE DB 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:R/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 Windows 缓冲区错误漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

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	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	-

II. Public POCs for CVE-2026-78442

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-78442

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-78442 (1)

🔗 CVE-2026-78442 - Security Update Guide - Microsoft - Windows OLE DB Remote Code Execution Vulnerability Read full article vendor-advisory patch

https://www.cve.org/CVERecord?id=CVE-2026-78442

Same Patch Batch · Microsoft · 2026-09-08 · 966 CVEs total

CVE-2026-83941	9.9 CRITICAL	Entra ID Elevation of Privilege Vulnerability
CVE-2026-69586	9.8 CRITICAL	Microsoft Windows PDF Remote Code Execution Vulnerability
CVE-2026-68839	9.8 CRITICAL	Windows USB Mass Storage Class Driver Remote Code Execution Vulnerability
CVE-2026-69730	9.8 CRITICAL	Windows DNS Server Remote Code Execution Vulnerability
CVE-2026-69408	9.8 CRITICAL	Microsoft Windows Media Foundation Remote Code Execution Vulnerability
CVE-2026-69910	9.8 CRITICAL	Windows Hyper-V Remote Code Execution Vulnerability
CVE-2026-77493	9.8 CRITICAL	Windows Graphics Component Remote Code Execution Vulnerability
CVE-2026-78445	9.8 CRITICAL	Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability
CVE-2026-69579	9.8 CRITICAL	Windows Message Queuing Remote Code Execution Vulnerability
CVE-2026-69824	9.8 CRITICAL	Microsoft Standard XPS Remote Code Execution Vulnerability
CVE-2026-73025	9.8 CRITICAL	Windows iSCSI Security Feature Bypass Vulnerability
CVE-2026-72979	9.8 CRITICAL	Windows DHCP Server Remote Code Execution Vulnerability
CVE-2026-69493	9.8 CRITICAL	Windows Event Logging Service Remote Code Execution Vulnerability
CVE-2026-69829	9.8 CRITICAL	Windows Shell Remote Code Execution Vulnerability
CVE-2026-69845	9.8 CRITICAL	Windows DHCP Server Remote Code Execution Vulnerability
CVE-2026-69769	9.8 CRITICAL	Windows HTTP Print Provider Remote Code Execution Vulnerability
CVE-2026-69276	9.8 CRITICAL	Microsoft UxTheme Library (uxtheme.dll) Remote Code Execution Vulnerability
CVE-2026-72982	9.8 CRITICAL	Windows Netlogon Remote Code Execution Vulnerability
CVE-2026-67631	9.8 CRITICAL	Microsoft SQL Server Remote Code Execution Vulnerability
CVE-2026-72983	9.8 CRITICAL	Internet Connection Sharing (ICS) Remote Code Execution Vulnerability

Showing top 20 of 966 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Microsoft SQL Server 2017 (CU 31)

Same vendor: Microsoft

Same weakness: CWE-122