CVE-2026-70133
Awaiting Analysis Awaiting Analysis - Queue

Allocation of Resources Without Limits in Windows SMB Server

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Microsoft Corporation

Description
Allocation of resources without limits or throttling in Windows SMB Server allows an unauthorized attacker to deny service over a network.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-13
Last Modified
2026-10-13
Generated
2026-10-14
AI Q&A
2026-10-14
EPSS Evaluated
N/A
NVD
CVE-2026-70133
EUVD
EUVD-2026-99181

Affected Vendors & Products

Showing 21 associated CPEs
Vendor Product Version / Range
Microsoft Windows 10 Version 1607 10.0.14393.0
Microsoft Windows 10 Version 1809 10.0.17763.0
Microsoft Windows 10 Version 21H2 10.0.19044.0
Microsoft Windows 10 Version 22H2 10.0.19045.0
Microsoft Windows 11 version 23H2 10.0.22631.0
Microsoft Windows 11 Version 23H2 10.0.22631.0
Microsoft Windows 11 Version 24H2 10.0.26100.0
Microsoft Windows 11 Version 25H2 10.0.26200.0
Microsoft Windows 11 version 26H1 10.0.28000.0
Microsoft Windows 11 Version 26H2 10.0.26300.0
Microsoft Windows Server 2012 6.2.9200.0
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0
Microsoft Windows Server 2012 R2 6.3.9600.0
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0
Microsoft Windows Server 2016 10.0.14393.0
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0
Microsoft Windows Server 2019 10.0.17763.0
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0
Microsoft Windows Server 2022 10.0.20348.0
Microsoft Windows Server 2025 10.0.26100.0
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-770 The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability involves a flaw in Windows SMB Server where an attacker can cause a denial of service by exploiting unlimited resource allocation without throttling. This allows the attacker to disrupt network services.

Impact Analysis

An unauthorized attacker could exploit this to crash or slow down systems running affected Windows versions, leading to service outages and potential loss of access to critical network resources.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Windows SMB Server vulnerability. Monitor network traffic for unusual SMB activity and restrict SMB access to trusted networks only.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-70133. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart