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Full vulnerability report · 2023
CVE-2023-36584High confidence

Microsoft Windows Mark of the Web (MOTW) Security Feature Bypass Vulnerability

Microsoft · Windows

5.4MediumCVSS 3.1
Recommended action
Patch now

CISA confirms exploitation in the wild and lists 2023-12-07 as the remediation due date.

Patch available
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityMediumOperational priority:Critical, raised 2 bands.upgradedsince 16 Nov 2023

Evidence used

  • CISA confirms exploitation in the wild.
  • EPSS is 3.06% for the current model date.

Compensating controls

  • Validate the affected product branch and deploy the verified fixed release.
  • Restrict the affected network interface to trusted sources where business-safe.
  • Increase monitoring for the attack path and post-exploitation behaviour described in the report.

Verification

  1. Confirm that the asset runs Microsoft Windows and falls inside the recorded affected range.
  2. Verify the installed build against the product-specific fixed version after deployment.
  3. Validate exposure, authentication requirements and compensating controls in the actual environment.
  4. Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Mitigation target: Within 3 daysRemediation target: Within 90 days

This automated reassessment organises public evidence. It does not know asset exposure, business impact or control effectiveness and does not replace CVSS or a human risk decision.

Optional official sources

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

Choose official national sources for this report. Each advisory shows its original language. Your selection is remembered on this device and included in shared links.

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-2023-40529

CISA KEV mirrored by ENISA

Windows Mark of the Web Security Feature Bypass Vulnerability

EUVD state
Present in the current official mapping
Known exploitation
Recorded by ENISA since 16 Nov 2023. Evidence sources: cisa_kev.
ENISA score
5.4 · CVSS 3.1
Advisory evidence
2 linked advisory records
Recommended actionPatch now

CISA confirms exploitation in the wild and lists 2023-12-07 as the remediation due date.

Patch available
01

What, why and how

Microsoft Windows Mark of the Web (MOTW) contains a security feature bypass vulnerability resulting in a limited loss of integrity and availability of security features.

What

Microsoft Windows Mark of the Web (MOTW) contains a security feature bypass vulnerability resulting in a limited loss of integrity and availability of security features.

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through a network path may attempt exploitation without authentication after a user interaction. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

What

Microsoft Windows Mark of the Web (MOTW) contains a security feature bypass vulnerability resulting in a limited loss of integrity and availability of security features.

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through a network path may attempt exploitation without authentication after a user interaction. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

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.
Confirmed in the wild

CISA added this CVE to its Known Exploited Vulnerabilities catalogue on 2023-11-16.

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 → vulnerable operation → cause the confidentiality, integrity or availability impact described by the vendor
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.
CWE not yet assigned
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:N/I:L/A:L/E:F/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.CNoneConfidentiality impact: No direct loss is represented by this metric.ILowIntegrity impact: A successful attack can cause a limited loss.ALowAvailability impact: A successful attack can cause a limited loss.
Post-exploitation / living off the land
No specific living-off-the-land technique is confirmed in the structured sources. Monitor normal administration tools for activity inconsistent with the affected service's baseline.
NetworkUnauthenticatedCISA KEV
A

Official authority intelligence

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

ENISA EUVD · EUVD-2023-40529Known-exploited evidence recorded

Windows Mark of the Web Security Feature Bypass Vulnerability

Official EUVD record ↗
BSI · German · WID-SEC-2023-2606Microsoft Windows und Microsoft Windows Server: Mehrere Schwachstellen

Ein entfernter, anonymer, authentisierter oder lokaler Angreifer kann mehrere Schwachstellen in verschiedenen Versionen von Microsoft Windows und Microsoft Windows Server ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand zu verursachen und Privilegien zu erweitern.

Official advisory ↗
Cyber Security Agency of Singapore · English · CSA-SB-20231011Security Bulletin 11 Oct 2023

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

Official advisory ↗
CERT-FR · French · CERTFR-2023-AVI-0827Multiples vulnérabilités dans Microsoft Windows

octobre 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36578 Bulletin de sécurité Microsoft CVE-2023-36579 du 10 octobre 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36579 Bulletin de sécurité Microsoft CVE-2023-36581 du 10 octobre 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36581 Bulletin de sécurité Microsoft CVE-2023-36582 du 10 octobre 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36582 Bulletin de sécurité Microsoft CVE-2023-36583 du 10 octobre 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36583 Bulletin de sécurité Microsoft CVE-2023-36584 du 10 octobre 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36584 Bulletin de sécurité Microsoft CVE-2023-36585 du 10 octobre 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36585 Bulletin de sécurité Microsoft CVE-2023-36589 du 10 octobre 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36589 Bulletin de sécurité Microsoft CVE-2023-36590 du 10 octobre 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36590 Bulletin de sécurité Microsoft CVE-2023-36591 du 10 octobre 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36591 Bulletin de sécurité Micr

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2023-003861マイクロソフトの複数の Microsoft Windows 製品におけるセキュリティ機能を回避される脆弱性

マイクロソフトの Microsoft Windows 10、Windows 11、Windows Server には、Windows Mark Of The Web に不備があるため、セキュリティ機能を回避される脆弱性が存在します。

Official advisory ↗
KISA KrCERT/CC · Korean · KNVD-6042美 CISA 발표 주요 Exploit 정보공유(Update. 2023-11-16)

Microsoft Windows Mark of the Web (MOTW) contains a security feature bypass vulnerability resulting in a limited loss of integrity and availability of security features.

Official advisory ↗
KISA KrCERT/CC · Korean · KNVD-6013MS 10월 보안 위협에 따른 정기 보안 업데이트 권고

| Windows Remote Procedure Call | CVE-2023-36596 | 원격 프로시저 호출 정보 공개 취약성 | | Microsoft Graphics Component | CVE-2023-36594 | Windows 그래픽 구성 요소 권한 상승 취약성 | | Windows Message Queuing | CVE-2023-36593 | Microsoft 메시지 큐 원격 코드 실행 취약성 | | Windows Message Queuing | CVE-2023-36592 | Microsoft 메시지 큐 원격 코드 실행 취약성 | | Windows Message Queuing | CVE-2023-36591 | Microsoft 메시지 큐 원격 코드 실행 취약성 | | Windows Message Queuing | CVE-2023-36590 | Microsoft 메시지 큐 원격 코드 실행 취약성 | | Windows Message Queuing | CVE-2023-36589 | Microsoft 메시지 큐 원격 코드 실행 취약성 | | Windows Active Template Library | CVE-2023-36585 | 액티브 템플릿 라이브러리 서비스 거부 취약성 | | Windows Mark of the Web (MOTW) | CVE-2023-36584 | Windows Mark of the Web 보안 기능 우회 취약성 | | Windows Message Queuing | CVE-2023-36583 | Microsoft 메시지 큐 원격 코드 실행 취약성 | | Windows Message Queuing | CVE-2023-36582 | Microsoft 메시지 큐 원격 코드 실행 취약성 | | Windows Message Queuing | CVE-2023-36581 | Microsoft 메시지 큐 서비스 거부 취약성 | | Windows Message Queuing | CVE-2023-36579 | Microsoft 메시지 큐 서비스 거부 취약성 | | Windows Message Queuing | CVE-2023-36578 | Microsoft 메시지 큐 원격 코드 실행 취약성 | | Microsoft WDAC OLE DB provider for SQL | CVE-2023-36577 | SQL Server용 Microsoft WDAC OLE DB 공급자 원격 코드 실행 취약성 | | Windows Kernel | CVE-2023-36576 | Windows 커널 정보 유출 취약성 | | Windows Message Queuing | CVE-2023-36575 | Microsoft 메시지 큐

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.
Patch available
Affected
Fixed
An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
Action
Review the linked authoritative reference and apply the recorded fixed release appropriate to the affected product branch.
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 Oct 2023 · Last source change 12 Jan 2026, 21:11 UTC · CWE not yet assigned

CVE recordCVE.org · 5.2
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-2023-40529
Product sourceCISA KEV
Remediation sourceCVE/CNA references
CWE sourceUnavailable
NVD statusNVD enriched

Missing structured fields: CWE classification. Missing data is not evidence of low risk; review the primary advisory.

Material change intelligence

What changed after publication

View recent updates ↗
  1. Affected versionsThe structured affected or fixed version information changed.
    Before
    10.0.17763.0 < 10.0.17763.4974; 10.0.0 < 10.0.17763.4974; 10.0.20348.0 < 10.0.20348.2031; 10.0.0 < 10.0.22000.2538; 10.0.19043.0 < 10.0.19041.3570; 10.0.22621.0 < 10.0.22621.2428 · Fixed: An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
    After
    Windows 10 Version 1809: 10.0.17763.0 < 10.0.17763.4974, 10.0.0 < 10.0.17763.4974; Windows Server 2019: 10.0.17763.0 < 10.0.17763.4974; Windows Server 2019 (Server Core installation): 10.0.17763.0 < 10.0.17763.4974; Windows Server 2022: 10.0.20348.0 < 10.0.20348.2031; Windows 11 version 21H2: 10.0.0 < 10.0.22000.2538; Windows 10 Version 21H2: 10.0.19043.0 < 10.0.19041.3570; Windows 11 version 22H2: 10.0.22621.0 < 10.0.22621.2428; Windows 10 Version 22H2: 10.0.19045.0 < 10.0.19045.3570; Windows 10 Version 1507: 10.0.10240.0 < 10.0.10240.20232; Windows 10 Version 1607: 10.0.14393.0 < 10.0.14393.6351; Windows Server 2016: 10.0.14393.0 < 10.0.14393.6351; Windows Server 2016 (Server Core installation): 10.0.14393.0 < 10.0.14393.6351; Windows Server 2008 Service Pack 2: 6.0.6003.0 < 6.0.6003.22317; Windows Server 2008 Service Pack 2 (Server Core installation): 6.0.6003.0 < 6.0.6003.22317; Windows Server 2008 Service Pack 2: 6.0.6003.0 < 6.0.6003.22317; Windows Server 2008 R2 Service Pack 1: 6.1.7601.0 < 6.1.7601.26769; Windows Server 2008 R2 Service Pack 1 (Server Core installation): 6.1.7601.0 < 6.1.7601.26769; Windows Server 2012: 6.2.9200.0 < 6.2.9200.24523; Windows Server 2012 (Server Core installation): 6.2.9200.0 < 6.2.9200.24523; Windows Server 2012 R2: 6.3.9600.0 < 6.3.9600.21620; Windows Server 2012 R2 (Server Core installation): 6.3.9600.0 < 6.3.9600.21620 · Fixed: An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
    CNA ↗
Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
Added to CISA KEV
Fixed release or patch reference recorded
ENISA EUVD · EUVD-2023-40529↗CISA KEV record↗CVE authority or vendor reference↗Official CVE record (CNA and ADP data)↗NVD record↗
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-2023-36584 · cve.blacktree.nl