Vulnerability in Microsoft Security Essentials <v4.2

Hi @ll, versions of Microsoft Security Essentials before the current v4.2 see https://support.microsoft.com/kb/2805304 have a vulnerability that could lead to execution of arbitrary code in the security context of the LocalSystem account almost like https://support.microsoft.com/kb/2781197 alias...

Microsoft Security Essentials Code Execution

Hi @ll, versions of Microsoft Security Essentials before the current v4.2 see have a vulnerability that could lead to execution of arbitrary code in the security context of the LocalSystem account almost like alias . The "UninstallString" written to...

Why I decided to uninstall Microsoft Security Essentials Antivirus?

Today I decided to remove Microsoft Security Essentials Antivirus from my system because Security Essentials failed another certification test by independent testing lab, AV-Test Institute. Microsoft's Security Essentials antivirus for Windows XP, Vista, and Windows 7 is a free add-on to Windows...

Why I decided to uninstall Microsoft Security Essentials Antivirus?

Today I decided to remove Microsoft Security Essentials Antivirus from my system because Security Essentials failed another certification test by independent testing lab, AV-Test Institute. Microsoft's Security Essentials antivirus for Windows XP, Vista, and Windows 7 is a free add-on to Windows...

CVE-2010-5183: Concurrent Execution using Shared Resource with Improper Synchronization

Race condition in Webroot Internet Security Essentials 6.1.0.145 on Windows XP allows local users to bypass kernel-mode hook handlers, and execute dangerous code that would otherwise be blocked by a handler but not blocked by signature-based malware detection, via certain user-space memory change...

CVE-2012-1443

The RAR file parser in ClamAV 0.96.4, Rising Antivirus 22.83.00.03, Quick Heal aka Cat QuickHeal 11.00, G Data AntiVirus 21, AVEngine 20101.3.0.103 in Symantec Endpoint Protection 11, Command Antivirus 5.2.11.5, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, Emsisoft Anti-Malware 5.1.0....

CVE-2012-1420

The CVE-2012-1420 entry concerns multiple antivirus products (Quick Heal/Cat QuickHeal 11.00; Command Antivirus 5.2.11.5; F-Prot 4.6.2.117; Fortinet 4.2.254.0; K7 9.77.3565; Kaspersky 7.0.0.125; Antimalware Engine 1.1.6402.0; Microsoft Security Essentials 2.0; NOD32 5795; Norman 6.06.12; Panda 10...

CVE-2012-1420: Undefined Security Weakness

The TAR file parser in Quick Heal aka Cat QuickHeal 11.00, Command Antivirus 5.2.11.5, F-Prot Antivirus 4.6.2.117, Fortinet Antivirus 4.2.254.0, K7 AntiVirus 9.77.3565, Kaspersky Anti-Virus 7.0.0.125, Antimalware Engine 1.1.6402.0 in Microsoft Security Essentials 2.0, NOD32 Antivirus 5795, Norman...

CVE-2012-1459: Undefined Security Weakness

The TAR file parser in AhnLab V3 Internet Security 2011.01.18.00, Avira AntiVir 7.11.1.163, Antiy Labs AVL SDK 2.0.3.7, avast! Antivirus 4.8.1351.0 and 5.0.677.0, AVG Anti-Virus 10.0.0.1190, Bitdefender 7.2, Quick Heal aka Cat QuickHeal 11.00, ClamAV 0.96.4, Command Antivirus 5.2.11.5, Comodo...

PT-2012-3245

Name of the Vulnerable Software and Affected Versions Quick Heal versions 11.00 Command Antivirus version 5.2.11.5 F-Prot Antivirus version 4.6.2.117 Fortinet Antivirus version 4.2.254.0 K7 AntiVirus version 9.77.3565 Kaspersky Anti-Virus version 7.0.0.125 Microsoft Security Essentials version 2....

Google Pushes Update For Chrome to Fix Faulty Microsoft Malware Detection

Google has pushed out an update for its Chrome browser that fixes a problem caused by the incident last week in which Microsoft Security Essentials mistakenly detected the browser as the Zeus bot and removed it from some machines. The update should automatically fix any damaged Chrome...

Microsoft Pushes Emergency Update After Security Products Call Chrome "Banking Trojan"

Microsoft was forced to push out an emergency update to its Security Essentials and Forefront products Friday after users complained that an updated virus signature intended to spot the Zeus Trojan was, instead, flagging and even removing instances of Google’s Chrome Web browser. The fireworks...

CVE-2011-0037

Microsoft Malware Protection Engine before 1.1.6603.0, as used in Microsoft Malicious Software Removal Tool MSRT, Windows Defender, Security Essentials, Forefront Client Security, Forefront Endpoint Protection 2010, and Windows Live OneCare, allows local users to gain privileges via a crafted val...

Code injection

Microsoft Malware Protection Engine before 1.1.6603.0, as used in Microsoft Malicious Software Removal Tool MSRT, Windows Defender, Security Essentials, Forefront Client Security, Forefront Endpoint Protection 2010, and Windows Live OneCare, allows local users to gain privileges via a crafted val...

CVE-2011-0037

Microsoft Malware Protection Engine before 1.1.6603.0, as used in Microsoft Malicious Software Removal Tool MSRT, Windows Defender, Security Essentials, Forefront Client Security, Forefront Endpoint Protection 2010, and Windows Live OneCare, allows local users to gain privileges via a crafted val...

CVE-2011-0037

CVE-2011-0037 affects Microsoft Malware Protection Engine (MMPE) prior to 1.1.6603.0, used in MSRT, Windows Defender, Security Essentials, Forefront products, and related tools. The vulnerability allows local privilege escalation through a crafted value of an unspecified user registry key. The do...

CVE-2011-0037: Improper Input Validation

Microsoft Malware Protection Engine before 1.1.6603.0, as used in Microsoft Malicious Software Removal Tool MSRT, Windows Defender, Security Essentials, Forefront Client Security, Forefront Endpoint Protection 2010, and Windows Live OneCare, allows local users to gain privileges via a crafted val...

PT-2011-2034

Name of the Vulnerable Software and Affected Versions Microsoft Malware Protection Engine versions prior to 1.1.6603.0 Microsoft Malicious Software Removal Tool MSRT affected versions not specified Windows Defender affected versions not specified Security Essentials affected versions not specifie...

MS Warns of Rogue Antivirus 'Security Essentials'

Microsoft has warned Windows users to be on their guard against a piece of rogue antivirus software passing itself off as Microsoft Security Essentials. Security Essentials 2010 is a piece of software Microsoft said installs a fake virus scanner on your machine andmonitors and blocks processes it...

The Evolution of Rogue Anti-Virus

We often write about the fact that cybercriminals constantly change their tactics to take account of developments in the security and software industries. And I just came across a great example of this: it shows how the people behind rogue antivirus solutions adapt their “products” to exploit...