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The Hacker News - Cybersecurity News and Analysis: windows patch

Critical Patch Released for 'Wormable' SMBv3 Vulnerability — Install It ASAP!

Critical Patch Released for 'Wormable' SMBv3 Vulnerability — Install It ASAP!
March 12, 2020Mohit Kumar
Microsoft today finally released an emergency software update to patch the recently disclosed very dangerous vulnerability in SMBv3 protocol that could let attackers launch wormable malware , which can propagate itself from one vulnerable computer to another automatically. The vulnerability, tracked as CVE-2020-0796 , in question is a remote code execution flaw that impacts Windows 10 version 1903 and 1909, and Windows Server version 1903 and 1909. Server Message Block (SMB), which runs over TCP port 445, is a network protocol that has been designed to enable file sharing, network browsing, printing services, and interprocess communication over a network. The latest vulnerability, for which a patch update ( KB4551762 ) is now available on the Microsoft website, exists in the way SMBv3 protocol handles requests with compression headers, making it possible for unauthenticated remote attackers to execute malicious code on target servers or clients with SYSTEM privileges. Compre

Immediately Patch Windows 0-Day Flaw That's Being Used to Spread Spyware

Immediately Patch Windows 0-Day Flaw That's Being Used to Spread Spyware
September 13, 2017Unknown
Get ready to install a fairly large batch of security patches onto your Windows computers. As part of its September Patch Tuesday , Microsoft has released a large batch of security updates to patch a total of 81 CVE-listed vulnerabilities, on all supported versions of Windows and other MS products. The latest security update addresses 27 critical and 54 important vulnerabilities in severity, of which 38 vulnerabilities are impacting Windows, 39 could lead to Remote Code Execution (RCE). Affected Microsoft products include: Internet Explorer Microsoft Edge Microsoft Windows .NET Framework Skype for Business and Lync Microsoft Exchange Server Microsoft Office, Services and Web Apps Adobe Flash Player .NET 0-Day Flaw Under Active Attack According to the company, four of the patched vulnerabilities are publicly known, one of which has already been actively exploited by the attackers in the wild. Here's the list of publically known flaws and their impact: W

WannaCry Ransomware: Everything You Need To Know Immediately

WannaCry Ransomware: Everything You Need To Know Immediately
May 15, 2017Mohit Kumar
By now I am sure you have already heard something about the WannaCry ransomware , and are wondering what's going on, who is doing this, and whether your computer is secure from this insanely fast-spreading threat that has already hacked nearly 200,000 Windows PCs over the weekend. The only positive thing about this attack is that — you are here — as after reading this easy-to-understandable awareness article, you would be so cautious that you can save yourself from WannaCry, as well as other similar cyber attacks in the future. Also Read — Google Researcher Finds Link Between WannaCry Attacks and North Korea . Since this widely spread ransomware attack is neither the first nor the last one to hit users worldwide, prevention is always the key to protect against such malware threats. What is WannaCry? How to Protect your Computer from WannaCry Ransomware? Follow These Simple Steps. TWEET THIS In this article, we have provided some of the most important primary secu

Google Discloses Windows Vulnerability That Microsoft Fails To Patch, Again!

Google Discloses Windows Vulnerability That Microsoft Fails To Patch, Again!
February 18, 2017Swati Khandelwal
Microsoft is once again facing embarrassment for not patching a vulnerability on time. Yes, Google's Project Zero team has once again publicly disclosed a vulnerability  ( with POC exploit ) affecting Microsoft's Windows operating systems ranging from Windows Vista Service Pack 2 to the latest Windows 10 that had yet to be patched. A few months back, the search engine giant disclosed a critical Windows vulnerability to the public just ten days after revealing the flaw to Microsoft. However, this time Google revealed the vulnerability in Windows to the public after Microsoft failed to patch it within the 90-day window given by the company. Google's Project Zero member Mateusz Jurczyk responsibly reported a vulnerability in Windows' Graphics Device Interface (GDI) library to Microsoft Security Team on the 9th of June last year. The vulnerability affects any program that uses this library, and if exploited, could potentially allow hackers to steal informatio

Microsoft Releases 4 Security Updates — Smallest Patch Tuesday Ever!

Microsoft Releases 4 Security Updates — Smallest Patch Tuesday Ever!
January 11, 2017Swati Khandelwal
In Brief Microsoft has issued its first Patch Tuesday for 2017 , and it's one of the smallest ever monthly patch releases for the company, with only four security updates to address vulnerabilities in its Windows operating system as well as Adobe Flash Player. Meanwhile, Adobe has also released patches for more than three dozen security vulnerabilities in its Flash Player and Acrobat/Reader for Windows, MacOS, and Linux desktops. According to the Microsoft Advisory, only one security bulletin is rated critical, while other three are important. The bulletins address security vulnerabilities in Microsoft's Windows, Windows Server, Office, Edge and Flash Player. The only security bulletin rated as critical is the one dedicated to Adobe Flash Player, for which Microsoft distributed security patches through Windows Update. Other security bulletins that addresses flaws in Microsoft products are as follows: Bulletin 1 — MS17-001 This security update resolves just one v

Microsoft and Adobe Rolls Out Critical Security Updates - Patch Now!

Microsoft and Adobe Rolls Out Critical Security Updates - Patch Now!
September 14, 2016Swati Khandelwal
In Brief You should not miss this month's Patch Updates, as it brings fixes for critical issues in Adobe Flash Player, iOS, Xcode, the Apple Watch, Windows, Internet Explorer, and the Edge browser. Adobe has rolled out a critical update to address several issues, most of which are Remote Code Execution flaws, in its widely-used Adobe Flash Player for Windows, Macintosh, Linux and ChromeOS. Whereas, Microsoft has released 14 security updates to fix a total of 50 vulnerabilities in Windows and related software. First of all, if you have Adobe Flash Player installed and have not yet updated your software plugin, you are playing with fire. Critical Flash Vulnerabilities Affect Windows, Mac, Linux and ChromeOS Adobe has released its l atest round of security patches to address critical vulnerabilities in Adobe Flash Player for Windows, Mac OS X, Linux and ChromeOS. The Flash vulnerabilities could potentially allow an attacker to take control of the vulnerable system. So, users are

Microsoft Releases 9 Security Updates to Patch 34 Vulnerabilities

Microsoft Releases 9 Security Updates to Patch 34 Vulnerabilities
August 10, 2016Mohit Kumar
In Brief Microsoft's August Patch Tuesday offers nine security bulletins with five rated critical, resolving 34 security vulnerabilities in Internet Explorer (IE), Edge, and Office, as well as some serious high-profile security issues with Windows. A security bulletin, MS16-102 , patches a single vulnerability (CVE-2016-3319) that could allow an attacker to control your computer just by getting you to view specially-crafted PDF content in your web browser. Users of Microsoft Edge on Windows 10 systems are at a significant risk for remote code execution (RCE) attacks through a malicious PDF file. Web Page with PDF Can Hack Your Windows Computer Since Edge automatically renders PDF content when the browser is set as a default browser, this vulnerability only affects Windows 10 users with Microsoft Edge set as the default browser, as the exploit would execute by simply by viewing a PDF online. Web browsers for all other affected operating systems do not automatically

Microsoft patches Stuxnet and FREAK Vulnerabilities

Microsoft patches Stuxnet and FREAK Vulnerabilities
March 11, 2015Swati Khandelwal
Microsoft has come up with its most important Patch Tuesday for this year, addressing the recently disclosed critical the FREAK encryption-downgrade attack , and a separate five-year-old vulnerability leveraged by infamous Stuxnet malware to infect Windows operating system. Stuxnet malware , a sophisticated cyber-espionage malware allegedly developed by the US Intelligence and Israeli government together, was specially designed to sabotage the Iranian nuclear facilities a few years ago. First uncovered in 2010, Stuxnet targeted computers by exploiting vulnerabilities in Windows systems. Thankfully, Microsoft has issued a patch to protect its Windows machines that have been left vulnerable to Stuxnet and other similar attacks for the past five years. The fixes are included in MS15-020 which resolves Stuxnet issue. The company has also issued an update that patches the FREAK encryption vulnerability in its SSL/TSL implementation called Secure Channel (Schannel). The fix

Microsoft to Patch Critical Internet Explorer Zero-Day Vulnerability Next Tuesday

Microsoft to Patch Critical Internet Explorer Zero-Day Vulnerability Next Tuesday
June 06, 2014Wang Wei
Today Microsoft has released its Advance Notification for the month of June 2014 Patch Tuesday releasing seven security Bulletins, which will address several vulnerabilities in its products, out of which two are marked critical and rest are important in severity. This Tuesday, Microsoft will issue Security Updates to address seven major vulnerabilities and all those are important for you to patch, as the flaws are affecting various Microsoft software, including Microsoft Word, Microsoft Office and Internet Explorer. CRITICAL VULNERABILITY THAT YOU MUST PATCH Bulletin one is considered to be the most critical one, which will address a the zero-day Remote Code Execution vulnerability, affecting all versions of Internet Explorer, including IE11 in Windows 8.1.  All server versions of Windows are affected by this vulnerability, but at low level of severity because by default, Internet Explorer runs in Enhanced Security Configuration and just because Server Core version

Window 8 will get its first critical patch this Friday

Window 8 will get its first critical patch this Friday
November 09, 2012Mohit Kumar
The Windows 8 and Windows RT security updates will be the first shipped since those operating systems' launch on Oct. 26. The latest vulnerabilities include three critical security vulnerabilities for Windows 8, and one critical security vulnerability for the Surface-based Windows RT operating system. These flaws are considered "critical" and could allow remote code execution on vulnerable systems. Among the various flaws, versions from Windows XP (Service Pack 3) all the way through to Windows 8 are affected, including versions of the Office suite, and versions of Windows Server. Released only in September, Windows Server 2012 requires patching to maintain maximum security. If you've enabled automatic updates, the patches will automatically install on Tuesday. As usual, the specific details about what is being fixed in these updates won't be revealed until the patches themselves are available for download in order to not give hacker groups an advance
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