CVE-2023-21797

Description

Microsoft ODBC Driver Remote Code Execution Vulnerability

Overview

State: PUBLISHED
Assigner (CNA): microsoft
CVSS severity: HIGH
CVSS score: 8.8 / 10
CVSS vector: 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
Effective score: 8.8 / 10 HIGH source: CNA overview
MSRC score: 8.8 / 10 HIGH MS rating: Important · Remote Code Execution
CWE(s): CWE-190
Reserved: 2022-12-16
Published: 2023-02-14 08:00 UTC
Last updated: 2023-02-14 08:00 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/21xxx/CVE-2023-21797.json
Linked Threat: CVE-2023-21797 — Microsoft ODBC Driver Remote Code Execution Vulnerability

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2023-02-14 20:15:15 UTC
NVD last modified: 2026-06-17 05:34:00 UTC
NVD CVSS v3.1: 8.8 / 10 HIGH source: secure@microsoft.com
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability subscore: 2.8 / 10
Impact subscore: 5.9 / 10
EPSS score: 0.0119 (probability of exploitation in next 30 days)
EPSS percentile: 64.79% vs all CVEs — higher = more likely to be exploited, as of 2026-07-31

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2023-25964
Assigner: microsoft
Published: Feb 14, 2023, 7:33:02 PM
Updated: Jan 1, 2025, 12:40:55 AM
EUVD base score (CVSS 3.1): 8.8 / 10
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
EUVD-reported EPSS: 2.4200
Vendors: Microsoft
Products: Windows 10 Version 1809 (10.0.17763.0 <10.0.17763.4010)

Windows Server 2016 (Server Core installation) (10.0.14393.0 <10.0.14393.5717)

Windows Server 2012 (Server Core installation) (6.2.9200.0 <6.2.9200.24116)

Windows Server 2012 R2 (6.3.9600.0 <6.3.9600.20821)

Windows 10 Version 20H2 (10.0.0 <10.0.19042.2604)

Windows Server 2022 (10.0.20348.0 <10.0.20348.1547)

Windows Server 2019 (Server Core installation) (10.0.17763.0 <10.0.17763.4010)

Windows 10 Version 1607 (10.0.14393.0 <10.0.14393.5717)

Windows Server 2008 Service Pack 2 (6.0.6003.0 <6.0.6003.21915)

Windows Server 2008 R2 Service Pack 1 (Server Core installation) (6.1.7601.0 <6.1.7601.26366)

Windows Server 2008 Service Pack 2 (6.0.6003.0 <6.0.6003.21915)

Windows 10 Version 21H2 (10.0.19043.0 <10.0.19044.2604)

Windows Server 2008 Service Pack 2 (Server Core installation) (6.0.6003.0 <6.0.6003.21915)

Windows 10 Version 1507 (10.0.10240.0 <10.0.10240.19747)

Windows Server 2008 R2 Service Pack 1 (6.1.7601.0 <6.1.7601.26366)

Windows 11 version 21H2 (10.0.0 <10.0.22621.1574)

Windows Server 2019 (10.0.17763.0 <10.0.17763.4010)

Windows 10 Version 1809 (10.0.0 <10.0.17763.4010)

Windows Server 2012 (6.2.9200.0 <6.2.9200.24116)

Windows Server 2016 (10.0.14393.0 <10.0.14393.5717)

Windows 11 version 22H2 (10.0.22621.0 <10.0.22621.1265)

Windows Server 2012 R2 (Server Core installation) (6.3.9600.0 <6.3.9600.20821)

Windows 10 Version 22H2 (10.0.19045.0 <10.0.19045.2604)
Aliases: GHSA-5f6p-24pm-h2jp

ENISA description: Microsoft ODBC Driver Remote Code Execution Vulnerability

EUVD references (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21797

Microsoft Security Response Center MSRC

Microsoft's vendor-authoritative record from the Security Update Guide — its own CVSS score, impact, severity rating, exploit assessment, and KB-article fixes. Refreshed 2026-08-11 01:49 UTC (source: CVRF).

MS severity: Important
Impact: Remote Code Execution
MS CVSS base score: 8.8 / 10 (temporal 7.7)
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
Exploit assessment: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;DOS:N/A
Release: 2023-Feb

Microsoft remediations / KB articles (28)

5022840 — Vendor Fix / Security Update (fixed build 10.0.17763.4010)
5022840 — Update
5022842 — Vendor Fix / Security Update (fixed build 10.0.20348.1547)
5022842 — Update
5022921 — Vendor Fix / Security Hotpatch Update (fixed build 10.0.20348.1540)
5022834 — Vendor Fix / Security Update (fixed build 10.0.19042.2604)
5022834 — Update
5022836 — Vendor Fix / Security Update (fixed build 10.0.22621.1574)
5022845 — Vendor Fix / Security Update (fixed build 10.0.22621.1265)
5022845 — Update
5022858 — Vendor Fix / Security Update (fixed build 10.0.10240.19747)
5022838 — Vendor Fix / Security Update (fixed build 10.0.14393.5717)
5022890 — Vendor Fix / Monthly Rollup (fixed build 6.0.6003.21915)
5022890 — Update
5022893 — Vendor Fix / Security Only (fixed build 6.0.6003.21915)
5022893 — Update
5022872 — Vendor Fix / Monthly Rollup (fixed build 6.1.7601.26366)
5022872 — Update
5022874 — Vendor Fix / Security Only (fixed build 6.1.7601.26366)
5022874 — Update
5022903 — Vendor Fix / Monthly Rollup (fixed build 6.2.9200.24116)
5022903 — Update
5022895 — Vendor Fix / Security Only (fixed build 6.2.9200.24116)
5022895 — Update
5022899 — Vendor Fix / Monthly Rollup (fixed build 6.3.9600.20821)
5022899 — Update
5022894 — Vendor Fix / Security Only (fixed build 6.3.9600.20821)
5022894 — Update

Microsoft FAQ (1)

How could an attacker exploit this vulnerability?

An attacker could exploit the vulnerability by tricking an authenticated user into attempting to connect to a malicious SQL server via ODBC, which could result in the server receiving a malicious networking packet. This could allow the attacker to execute code remotely on the client.

Affected products (23)

Vendor	Product	Versions	Platforms
Microsoft	Windows 10 Version 1809	`10.0.17763.0` (affected)	32-bit Systems, x64-based Systems
Microsoft	Windows 10 Version 1809	`10.0.0` (affected)	ARM64-based Systems
Microsoft	Windows Server 2019	`10.0.17763.0` (affected)	x64-based Systems
Microsoft	Windows Server 2019 (Server Core installation)	`10.0.17763.0` (affected)	x64-based Systems
Microsoft	Windows Server 2022	`10.0.20348.0` (affected)	x64-based Systems
Microsoft	Windows 10 Version 20H2	`10.0.0` (affected)	32-bit Systems, ARM64-based Systems
Microsoft	Windows 11 version 21H2	`10.0.0` (affected)	x64-based Systems, ARM64-based Systems
Microsoft	Windows 10 Version 21H2	`10.0.19043.0` (affected)	32-bit Systems, ARM64-based Systems, x64-based Systems
Microsoft	Windows 11 version 22H2	`10.0.22621.0` (affected)	ARM64-based Systems, x64-based Systems
Microsoft	Windows 10 Version 22H2	`10.0.19045.0` (affected)	x64-based Systems, ARM64-based Systems, 32-bit Systems
Microsoft	Windows 10 Version 1507	`10.0.10240.0` (affected)	32-bit Systems, x64-based Systems
Microsoft	Windows 10 Version 1607	`10.0.14393.0` (affected)	32-bit Systems, x64-based Systems
Microsoft	Windows Server 2016	`10.0.14393.0` (affected)	x64-based Systems
Microsoft	Windows Server 2016 (Server Core installation)	`10.0.14393.0` (affected)	x64-based Systems
Microsoft	Windows Server 2008 Service Pack 2	`6.0.6003.0` (affected)	32-bit Systems
Microsoft	Windows Server 2008 Service Pack 2 (Server Core installation)	`6.0.6003.0` (affected)	32-bit Systems, x64-based Systems
Microsoft	Windows Server 2008 Service Pack 2	`6.0.6003.0` (affected)	x64-based Systems
Microsoft	Windows Server 2008 R2 Service Pack 1	`6.1.7601.0` (affected)	x64-based Systems
Microsoft	Windows Server 2008 R2 Service Pack 1 (Server Core installation)	`6.1.7601.0` (affected)	x64-based Systems
Microsoft	Windows Server 2012	`6.2.9200.0` (affected)	x64-based Systems
Microsoft	Windows Server 2012 (Server Core installation)	`6.2.9200.0` (affected)	x64-based Systems
Microsoft	Windows Server 2012 R2	`6.3.9600.0` (affected)	x64-based Systems
Microsoft	Windows Server 2012 R2 (Server Core installation)	`6.3.9600.0` (affected)	x64-based Systems

Affected products — CPE 2.3 (28) NVD

NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.

cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

Microsoft ODBC Driver Remote Code Execution Vulnerability vendor-advisory

Web references (28)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

5022834 msrc
5022836 msrc
5022838 msrc
5022840 msrc
5022842 msrc
5022845 msrc
5022858 msrc
5022872 msrc
5022874 msrc
5022890 msrc
5022893 msrc
5022894 msrc
5022895 msrc
5022899 msrc
5022903 msrc
MSRC update guide: CVE-2023-21797 msrc
5022834 msrc
5022840 msrc
5022842 msrc
5022845 msrc
5022872 msrc
5022874 msrc
5022890 msrc
5022893 msrc
5022894 msrc
5022895 msrc
5022899 msrc
5022903 msrc

NVD-tagged references (2)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21797 secure@microsoft.com PatchVendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21797 af854a3a-2127-422b-91ae-364da2661108 PatchVendor Advisory

Remediations (15)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

Windows 11 Shutdown Bug With Secure Launch: KB5077797 Fix

web:windowsforum.com

Timeline — patch , problem, mitigation , fix January 13, 2026 — Microsoft released the January cumulative update (KB5073455) for Windows 11, version 23H2. The package included multiple security and servicing fixes. January 13-16, 2026 — Administrators and users began reporting restart‑on‑shutdown and failed hibernation behavior on devices with Secure Launch enabled; community ...

2026-06-04 13:15 UTC
Microsoft releases OOB Windows updates to fix shutdown, Cloud PC bugs

web:www.bleepingcomputer.com

Microsoft has released multiple emergency, out-of-band updates for Windows 10, Windows 11, and Windows Server to fix two issues caused by the January Patch Tuesday updates.

2026-06-04 13:15 UTC
A new and improved community patch for BO3. - GitHub

web:github.com

A new and improved community patch for BO3. . Contribute to shiversoftdev/t7patch development by creating an account on GitHub.

2026-06-04 13:15 UTC
Vulnerability Patching: Why It's Critical & How to Do It Right

web:tuxcare.com

It includes discovering vulnerabilities, evaluating their potential impact, prioritizing remediation efforts (including patching), and confirming the fixes. Patch Management Patch management, on the other hand, is the act of applying the necessary updates to fix known vulnerabilities. It's a critical component of vulnerability management.

2026-06-04 13:15 UTC
CVE: Common Vulnerabilities and Exposures

web:www.cve.org

At cve .org, we provide the authoritative reference method for publicly known information-security vulnerabilities and exposures

2026-06-04 13:15 UTC
Microsoft May 2026 Patch Tuesday: Many fixes, but no zero-days

web:www.helpnetsecurity.com

Microsoft has marked May 2026 Patch Tuesday by releasing fixes for 120+ CVE -numbered vulnerabilities, none of which are actively exploited.

2026-05-22 05:46 UTC
Patch Tuesday - October 2025 - Rapid7

web:www.rapid7.com

Microsoft has published 172 new vulnerabilities, including six zero-day vulnerabilities. Windows 10 moves past the end of support, sort of. Critical RCE in Windows Server Update Service.

2026-05-22 05:46 UTC
Windows 11 Patch Triggers Sign-In Failures Across Microsoft Apps

web:www.techrepublic.com

A Windows 11 security update triggered Microsoft app sign-in failures, prompting an emergency patch and a manual workaround for affected users.

2026-05-22 05:46 UTC
Microsoft issues SECOND emergency out of band update for Windows 11 to ...

web:www.windowscentral.com

Another out of band update has been issued to Windows 11 users to address a major bug that caused Outlook to become inoperable after January's disastrous Patch Tuesday updates.

2026-05-22 05:46 UTC
Microsoft and Adobe Patch Tuesday, February 2026 Security Update Review

web:blog.qualys.com

Microsoft's February 2026 Patch Tuesday focuses on closing security gaps that attackers could exploit, reinforcing the importance of timely patching in enterprise environments. Here's a quick breakdown of what you need to know. Microsoft Patch Tuesday for February 2026 This month's release addresses 61 vulnerabilities, including five critical and 52 important-severity vulnerabilities. In ...

2026-05-22 05:46 UTC
Why you need Microsoft's new emergency Windows patch - ZDNET

web:www.zdnet.com

Why you need Microsoft's new emergency Windows patch - and the black-screen bug to watch for While Microsoft has been fixing bugs caused by the Patch Tuesday update, another glitch has surfaced.

2026-05-22 05:46 UTC
Microsoft Releases Out-of-Band Patch to Fix Critical RRAS RCE ...

web:cybersecuritynews.com

Microsoft released an out-of-band hotpatch update on March 13, 2026, addressing serious security vulnerabilities in Windows 11 versions 24H2 and 25H2.

2026-05-22 05:46 UTC
Security Update Guide - Microsoft

web:portal.msrc.microsoft.com

The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

2026-05-22 05:46 UTC
Windows 11 KB5079473 & KB5078883 cumulative updates released

web:www.bleepingcomputer.com

Microsoft has released Windows 11 KB5079473 and KB5078883 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features.

2026-05-22 05:46 UTC
February's Patch Tuesday release fixes 59 flaws ... - Computerworld

web:www.computerworld.com

Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. The company's Patch Tuesday release for February ...

2026-05-22 05:46 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2023-21797.json.

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