Windows 10 1607
CVE-2026-24294
HIGH
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessGain local user access
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DeliveryConnect to SMB Server locally
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ExploitExploit authentication bypass
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ExecutionExecute privileged commands
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ImpactAchieve system-level code execution
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK
2 techniques across 2 tactics: Defense Evasion, Initial Access 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 on Windows system with SMB Server enabled. Attacker must have initial local access (PR:L) to trigger privilege escalation through improper authentication validation in SMB protocol handling. |
| Impact | CVSS 7.8 (HIGH). Attack vector: Local. Complexity: Low. Privileges required: Low. User interaction: None. Exploitable via local access. |
| Exploit ScenarioDerived | An attacker could exploit this vulnerability to compromise the affected system. |
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Alert meAnalysisAIv1 – Mar 12, 2026
Windows SMB Server authentication bypass across multiple versions (Windows 10 1607, Windows 11 23h2, Windows Server 2012/2025) permits authenticated local users to escalate privileges with high impact to confidentiality, integrity, and availability. The vulnerability stems from improper authentication validation in the SMB service, allowing a local attacker to gain system-level access without user interaction. No patch is currently available, leaving affected systems vulnerable to privilege escalation attacks from any authenticated user.
Earlier versions of this analysis (1)
Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally. [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-287 (Improper Authentication). Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally.
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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 Vendor (microsoft) · only source for this CVE.
CVSS VectorVendor: microsoft
DescriptionCVE.org
Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally.
Executive ViewAI
A high-severity vulnerability in Windows SMB Server could allow authenticated users to gain elevated system privileges, potentially compromising sensitive data and critical business operations. This requires immediate attention as any user with network access to affected systems could exploit this vulnerability to escalate their access level.
Implement network-level access controls limiting SMB connectivity to only required systems; disable SMB v1 protocol entirely; enforce strong authentication mechanisms (disable null sessions, require NTLMv2); enable SMB signing and encryption; implement privileged access management (PAM) solutions to monitor and restrict local privilege escalation attempts; deploy endpoint detection and response (EDR) tools to detect exploitation behavior; restrict local administrator account usage via Group Policy; monitor for suspicious authentication patterns and privilege escalation events in security logs.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
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
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)CVE.org
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