CVE-2018-0833

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".

• CWE-476

• http://www.securityfocus.com/bid/102924Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1040375Third Party Advisory, VDB Entry
• https://github.com/KINGSABRI/CVE-in-Ruby/tree/master/CVE-2018-0833Exploit, Third Party Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0833Patch, Vendor Advisory
• https://www.exploit-db.com/exploits/44189/Exploit, Third Party Advisory, VDB Entry
• http://www.securityfocus.com/bid/102924Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1040375Third Party Advisory, VDB Entry
• https://github.com/KINGSABRI/CVE-in-Ruby/tree/master/CVE-2018-0833Exploit, Third Party Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0833Patch, Vendor Advisory
• https://www.exploit-db.com/exploits/44189/Exploit, Third Party Advisory, VDB Entry

Published

Feb 15, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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