PT-2016-2990 · Microsoft · Windows Rt+9

Published 2016-11-08 · Updated 2018-10-12 · CVE-2016-7221

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Microsoft Windows Input Method Editor versions prior to the fixed version Windows Vista SP2 Windows Server 2008 SP2 and R2 SP1 Windows 7 SP1 Windows 8.1 Windows Server 2012 Gold and R2 Windows RT 8.1 Windows 10 Gold, 1511, and 1607 Windows Server 2016

Description The issue is related to errors in loading DLLs in the Input Method Editor component of the Windows operating system. This can be exploited by a local attacker to elevate their privileges. The vulnerability allows local users to gain privileges via unspecified vectors.

Recommendations For Windows Vista SP2, update to a newer version to mitigate the risk. For Windows Server 2008 SP2 and R2 SP1, update to a newer version to mitigate the risk. For Windows 7 SP1, update to a newer version to mitigate the risk. For Windows 8.1, update to a newer version to mitigate the risk. For Windows Server 2012 Gold and R2, update to a newer version to mitigate the risk. For Windows RT 8.1, update to a newer version to mitigate the risk. For Windows 10 Gold, 1511, and 1607, update to a newer version to mitigate the risk. For Windows Server 2016, update to a newer version to mitigate the risk. As a temporary workaround, consider restricting the use of the Input Method Editor component until a patch is available.

Fix

LPE

Weakness Enumeration

CWE-264

Related Identifiers

BDU:2017-00001

CVE-2016-7221

Affected Products

Windows

Windows 10

Windows 7

Windows 8.1

Windows Input Method Editor

Windows Rt

Windows Server 2008

Windows Server 2012

Windows Server 2016

Windows Vista

References · 9

• https://osv.dev/vulnerability/CVE-2016-7221 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-7221 · Security Note
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-130 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2016-7221 · Vendor Advisory
• https://bdu.fstec.ru/vul/2017-00001 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7221 · Security Note
• http://securitytracker.com/id/1037241 · Note
• http://technet.microsoft.com/security/bulletin/MS16-130 · Note
• http://securityfocus.com/bid/94021 · Note