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CVE-2018-8335

A denial of service vulnerability exists in the Microsoft Server Block Message (SMB) when an attacker sends specially crafted requests to…

High7.5EPSS 9.0%
Published
Updated
Reserved
Assigned by
microsoft

Description

A denial of service vulnerability exists in the Microsoft Server Block Message (SMB) when an attacker sends specially crafted requests to the server, aka "Windows SMB Denial of Service Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2012, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers.

Scores

CVSS scores of CVE-2018-8335, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0High7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
9.0% · top 4.7% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

  • Denial of Service

Affected products

  • Microsoft · Windows Server 2012 R2

    • affected (Server Core installation)

  • Microsoft · Windows RT 8.1

    • affected Windows RT 8.1

  • Microsoft · Windows Server 2012

    • affected (Server Core installation)

  • Microsoft · Windows Server 2016

    • affected (Server Core installation)

  • Microsoft · Windows 8.1

    • affected 32-bit systems
    • affected x64-based systems

  • Microsoft · Windows 10

    • affected 32-bit Systems
    • affected Version 1607 for 32-bit Systems
    • affected Version 1607 for x64-based Systems
    • affected Version 1703 for 32-bit Systems
    • affected Version 1703 for x64-based Systems
    • affected Version 1709 for 32-bit Systems
    • affected Version 1709 for x64-based Systems
    • affected Version 1803 for 32-bit Systems
    • affected Version 1803 for x64-based Systems
    • affected x64-based Systems

  • Microsoft · Windows 10 Servers

    • affected version 1709 (Server Core Installation)
    • affected version 1803 (Server Core Installation)

References (3)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .