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Full vulnerability report · 2023
CVE-2023-21732High confidence

Microsoft ODBC Driver Remote Code Execution Vulnerability

Microsoft · Windows 10 Version 1809

8.8HighCVSS 3.1
Recommended action
Within 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Fix not verified
Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Select the national-authority views to include. The exact source language is shown on each matched advisory. Your choice is remembered on this device and encoded in the shareable URL.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2023-25899

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
Not supplied in the stored EUVD record
Advisory evidence
No linked advisory details stored yet
Recommended actionWithin 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Fix not verified
01

What, why and how

Microsoft ODBC Driver Remote Code Execution Vulnerability

What

Microsoft ODBC Driver Remote Code Execution Vulnerability

Why

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

How

An attacker operating through a network path may attempt exploitation without authentication after a user interaction. If successful, the issue may execute code or commands in the affected security context.

What

Microsoft ODBC Driver Remote Code Execution Vulnerability

Why

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

How

An attacker operating through a network path may attempt exploitation without authentication after a user interaction. If successful, the issue may execute code or commands in the affected security context.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path
a network path → Stack-based Buffer Overflow → execute code or commands in the affected security context
Attack surface
Network
Privileges required
None: unauthenticated exploitation is possible
User interaction
Required interaction required
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness
?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-121

CWE-121: Stack-based Buffer Overflow. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
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

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVNetworkAttack vector: The vulnerable component can be reached over a network.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRNonePrivileges required: The attacker does not need an account or existing privileges.UIRequiredUser interaction: Another user must perform an action for exploitation to succeed.SUnchangedScope: The security impact remains within the vulnerable component's authority.CHighConfidentiality impact: A successful attack can cause a major loss.IHighIntegrity impact: A successful attack can cause a major loss.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
After compromise, an attacker may use built-in shells, scripting engines, scheduled tasks and native network utilities for discovery, persistence or movement. This is a plausible LoTL path, not evidence that it has occurred for every attack.
NetworkUnauthenticatedRemote code executionCWE-121
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

BSI · German · WID-SEC-2023-0055Microsoft Windows und Microsoft Windows Server: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Microsoft Windows und Microsoft Windows Server ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, seine Privilegien zu erweitern und einen Denial-of-Service-Zustand auszulösen.

Official advisory ↗
Cyber Security Agency of Singapore · English · CSA-SB-20230111Security Bulletin 11 Jan 2023

The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 11 Jan 2023, published on 11 January 2023. Open the linked bulletin for the product, severity and reference information published in that issue.

Official advisory ↗
CERT-FR · French · CERTFR-2023-AVI-0022Multiples vulnérabilités dans Microsoft Windows

janvier 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21724 Bulletin de sécurité Microsoft CVE-2023-21725 du 10 janvier 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21725 Bulletin de sécurité Microsoft CVE-2023-21726 du 10 janvier 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21726 Bulletin de sécurité Microsoft CVE-2023-21728 du 10 janvier 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21728 Bulletin de sécurité Microsoft CVE-2023-21730 du 10 janvier 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21730 Bulletin de sécurité Microsoft CVE-2023-21732 du 10 janvier 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21732 Bulletin de sécurité Microsoft CVE-2023-21733 du 10 janvier 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21733 Bulletin de sécurité Microsoft CVE-2023-21739 du 10 janvier 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21739 Bulletin de sécurité Microsoft CVE-2023-21746 du 10 janvier 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21746 Bulletin de sécurité Microsoft CVE-2023-21747 du 10 janvier 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21747 Bulletin de sécurité Micr

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2023-001040複数の Microsoft Windows 製品におけるリモートでコードを実行される脆弱性

複数の Microsoft Windows 製品には、Microsoft ODBC ドライバに不備があるため、リモートでコードを実行される脆弱性が存在します。

Official advisory ↗
KISA KrCERT/CC · Korean · KNVD-5823MS 1월 보안 위협에 따른 정기 보안 업데이트 권고

harePoint CVE-2023-21742 Microsoft SharePoint Server 원격 코드 실행 취약점 Microsoft Office Visio CVE-2023-21741 Microsoft Office Visio 정보 공개 취약점 Microsoft Bluetooth Driver CVE-2023-21739 Windows Bluetooth 드라이버 권한 상승 취약점 Microsoft Office Visio CVE-2023-21738 Microsoft Office Visio 원격 코드 실행 취약점 Microsoft Office Visio CVE-2023-21737 Microsoft Office Visio 원격 코드 실행 취약점 Microsoft Office Visio CVE-2023-21736 Microsoft Office Visio 원격 코드 실행 취약점 Microsoft Office CVE-2023-21735 Microsoft Office 원격 코드 실행 취약점 Microsoft Office CVE-2023-21734 Microsoft Office 원격 코드 실행 취약점 Windows Bind Filter Driver CVE-2023-21733 Windows 바인딩 필터 드라이버 권한 상승 취약점 Windows ODBC Driver CVE-2023-21732 Microsoft ODBC 드라이버 원격 코드 실행 취약점 Windows Cryptographic Services CVE-2023-21730 Microsoft Cryptographic Services 권한 상승 취약점 Microsoft Local Security Authority Server (lsasrv) CVE-2023-21728 Windows Netlogon 서비스 거부 취약점 Windows Credential Manager CVE-2023-21726 Windows 자격 증명 관리자 사용자 인터페이스 권한 상승 취약점 Windows Malicious Software Removal Tool CVE-2023-21725 Windows 악성 소프트웨어 제거 도구 권한 상승 취약점 Windows DWM Core Library CVE-2023-21724 Microsoft DWM 핵심 라이브러리 권한 상승 취약점 Windows IKE Extension CVE-2023-21683 Windows 인터넷 키 교환(IKE) 확장 서비스 거부 취약점 Windows Point-to-Point Tunneling Protocol CVE-2023-21682 Windows PPP(지점간 프로토콜) 정보 공개 취약점 Microsoft WDAC OLE DB provider

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Fix not verified
Affected
  • Windows 10 Version 1809: 10.0.17763.0 < 10.0.17763.3887, 10.0.0 < 10.0.17763.3887
  • Windows Server 2019: 10.0.17763.0 < 10.0.17763.3887
  • Windows Server 2019 (Server Core installation): 10.0.17763.0 < 10.0.17763.3887
  • Windows Server 2022: 10.0.20348.0 < 10.0.20348.1487
  • Windows 10 Version 20H2: 10.0.0 < 10.0.19042.2486
  • Windows 11 version 21H2: 10.0.0 < 10.0.22000.1455
  • Windows 10 Version 21H2: 10.0.19043.0 < 10.0.19044.2486
  • Windows 11 version 22H2: 10.0.22621.0 < 10.0.22621.1105
  • Windows 10 Version 22H2: 10.0.19045.0 < 10.0.19045.2486
  • Windows 10 Version 1507: 10.0.10240.0 < 10.0.10240.19685
  • Windows 10 Version 1607: 10.0.14393.0 < 10.0.14393.5648
  • Windows Server 2016: 10.0.14393.0 < 10.0.14393.5648
  • Windows Server 2016 (Server Core installation): 10.0.14393.0 < 10.0.14393.5648
  • Windows 7: 6.1.0 < 6.1.7601.26321
  • Windows 7 Service Pack 1: 6.1.0 < 6.1.7601.26321
  • Windows 8.1: 6.3.0 < 6.3.9600.20778
  • Windows Server 2008 Service Pack 2: 6.0.6003.0 < 6.0.6003.21872
  • Windows Server 2008 Service Pack 2 (Server Core installation): 6.0.6003.0 < 6.0.6003.21872
  • Windows Server 2008 Service Pack 2: 6.0.6003.0 < 6.0.6003.21872
  • Windows Server 2008 R2 Service Pack 1: 6.1.7601.0 < 6.1.7601.26321
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation): 6.1.7601.0 < 6.1.7601.26321
  • Windows Server 2012: 6.2.9200.0 < 6.2.9200.24075
  • Windows Server 2012 (Server Core installation): 6.2.9200.0 < 6.2.9200.24075
  • Windows Server 2012 R2: 6.3.9600.0 < 6.3.9600.20778
  • Windows Server 2012 R2 (Server Core installation): 6.3.9600.0 < 6.3.9600.20778
Fixed
No fixed version is explicitly recorded in the structured CVE data.
Action
No verified patch reference is present in the current structured sources. Check the vendor advisory before making a change.
Workaround
No verified workaround is recorded. If business-safe, reduce exposure to the affected interface and allow only trusted sources until authoritative guidance is available.
04

Evidence and provenance

Published 10 Jan 2023 · Last source change 28 Feb 2025, 21:15 UTC · CWE-121 · Stack-based Buffer Overflow

CVE recordCVE.org · 5.1
CVSS sourceCNA
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-08-14
European sourceENISA EUVD · EUVD-2023-25899
Product sourceCNA
Remediation sourceCVE/CNA references
CWE sourceOther authority
NVD statusNVD modified after enrichment

Core structured fields are present and their contributing authorities are shown above.

Material change intelligence

What changed after publication

View recent updates ↗

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2023-21732 · cve.blacktree.nl