CVE-2023-36584

Microsoft Windows — Microsoft Windows Mark of the Web (MOTW) Security Feature Bypass Vulnerability
⚠️ CVSS 3.1  5.4 / 10 — MEDIUM 🔴 CISA Known Exploited Vulnerability

Overview

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.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36584 ; https://nvd.nist.gov/vuln/detail/CVE-2023-36584

Key Details

PropertyValue
CVE ID CVE-2023-36584
Vendor / Product Microsoft — Windows
NVD Published2023-10-10
NVD Last Modified2025-10-28
CVSS 3.1 Score5.4
CVSS 3.1 VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
SeverityMEDIUM
CISA KEV Added2023-11-16
CISA KEV Deadline2023-12-07
Known Ransomware Use No

CVSS 3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

Required Action

CISA BOD 22-01 Deadline: 2023-12-07. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Timeline

DateEvent
2023-11-16Added to CISA Known Exploited Vulnerabilities catalog
2023-12-07CISA BOD 22-01 remediation deadline

References

ResourceType
NVD — CVE-2023-36584 Vulnerability Database
CISA KEV Catalog Entry US Government