Windows
CVE-2026-23672
HIGH
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessLocal unprivileged user opens crafted UDF image
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ExploitUDFS driver reads malicious metadata
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ExecutionOut-of-bounds memory read occurs
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ImpactKernel memory disclosure or privilege escalation achieved
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2021 - Vulnerable and Outdated Components
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, read limits
MITRE ATT&CK
1 technique across 1 tactic: Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Local user account required. Attacker must be able to mount or access a specially crafted UDF (Universal Disk Format) filesystem image on Windows system running vulnerable UDFS driver. No network access possible. |
| Impact | CVSS 7.8 (HIGH). Attack vector: Local. Complexity: Low. Privileges required: Low. User interaction: None. |
| Exploit ScenarioDerived | An attacker could exploit this vulnerability to compromise the affected system. |
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Alert meAnalysisAIv1 – Mar 12, 2026
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability [CVSS 7.8 HIGH]
RemediationAI
Monitor vendor advisories for a patch.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 15 packages in microsoft
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Classified as CWE-125 (Out-of-bounds Read). Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
Executive ViewAI
A high-severity privilege escalation vulnerability in Windows UDFS driver (CVE-2026-23672) could allow attackers with local system access to gain elevated permissions, potentially compromising sensitive data and system integrity across affected Windows infrastructure. With no patch currently available, immediate mitigation steps are required to reduce organizational risk exposure.
Disable UDFS driver if operationally feasible; enforce least-privilege access controls and disable unnecessary user accounts; implement application whitelisting to prevent unauthorized privilege escalation attempts; enable and monitor Windows Event Viewer logs (Security Event ID 4688) for suspicious process elevation; apply OS hardening baselines including User Account Control (UAC) enforcement; restrict local administrative access and enforce multi-factor authentication for privileged operations; isolate systems requiring UDFS to air-gapped or restricted network segments pending patch availability.
Threat Intelligence Overview
NVD
CVE.org
EPSS
VulDB
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Affected Products (CPE)CVE.org
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GitHub PoC
Exploit-DB