CVE-2018-0833

MEDIUM

Microsoft Windows 8.1 - NULL Pointer Dereference

Title source: rule

Description

The Microsoft Server Message Block 2.0 and 3.0 (SMBv2/SMBv3) client in Windows 8.1 and RT 8.1 and Windows Server 2012 R2 allows a denial of service vulnerability due to how specially crafted requests are handled, aka "SMBv2/SMBv3 Null Dereference Denial of Service Vulnerability".

Exploits (1)

exploitdb WORKING POC VERIFIED

by Nabeel Ahmed · pythondoswindows

https://www.exploit-db.com/exploits/44189

View Code ZIP pw:eip

References (5)

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/102924

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1040375

[Exploit, Third Party Advisory] https://github.com/KINGSABRI/CVE-in-Ruby/tree/master/CVE-2018-0833

[Patch, Vendor Advisory] https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0833

[Exploit, Third Party Advisory, VDB Entry] https://www.exploit-db.com/exploits/44189/

Scores

CVSS v3 5.3

EPSS 0.7453

EPSS Percentile 98.9%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-476

Status published

Products (3)

microsoft/windows_8.1

microsoft/windows_rt_8.1

microsoft/windows_server_2012 r2

Published Feb 15, 2018

Tracked Since Feb 18, 2026