CVE-2016-3299

NetBIOS Elevation of Privilege Vulnerability

CVE-2016-3299 is fixed in 23 products on 1 platform, first by KB3163018, released June 14, 2016. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

Urgent
CVSS
n/a
Important
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.1359
96th percentile

<p>An elevation of privilege vulnerability exists in Microsoft Windows when NetBIOS improperly handles responses. An attacker who successfully exploited the vulnerability could use it to hijack network traffic or render untrusted content in a browser outside of Enhanced Protected Mode (EPM) or an application container.</p> <p>To exploit the vulnerability, an attacker whose system is joined to a local network could trick a user into believing that the attacker's system is a trusted network device.</p> <p>The update addresses the vulnerability by updating how NetBIOS validates responses.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1511 for 32-bit Systems 10586.420 KB3163018 Jun 14, 2016
Windows 10 Version 1511 for x64-based Systems 10586.420 KB3163018 Jun 14, 2016
Windows 10 for 32-bit Systems 10240.16942 KB3163017 Jun 14, 2016
Windows 10 for x64-based Systems 10240.16942 KB3163017 Jun 14, 2016
Windows 7 for 32-bit Systems Service Pack 1 KB3161949 Jun 14, 2016
Windows 7 for x64-based Systems Service Pack 1 KB3161949 Jun 14, 2016
Windows 8.1 for 32-bit systems KB3161949 Jun 14, 2016
Windows 8.1 for x64-based systems KB3161949 Jun 14, 2016
Windows RT 8.1 KB3161949 Jun 14, 2016
Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 KB3161949 Jun 14, 2016
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB3161949 Jun 14, 2016
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB3161949 Jun 14, 2016
Windows Server 2008 for 32-bit Systems Service Pack 2 KB3161949 Jun 14, 2016
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) KB3161949 Jun 14, 2016
Windows Server 2008 for Itanium-Based Systems Service Pack 2 KB3161949 Jun 14, 2016
Windows Server 2008 for x64-based Systems Service Pack 2 KB3161949 Jun 14, 2016
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) KB3161949 Jun 14, 2016
Windows Server 2012 KB3161949 Jun 14, 2016
Windows Server 2012 (Server Core installation) KB3161949 Jun 14, 2016
Windows Server 2012 R2 KB3161949 Jun 14, 2016
Windows Server 2012 R2 (Server Core installation) KB3161949 Jun 14, 2016
Windows Vista Service Pack 2 KB3161949 Jun 14, 2016
Windows Vista x64 Edition Service Pack 2 KB3161949 Jun 14, 2016