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The Hacker News - Most Trusted Cyber Security and Computer Security Analysis: Windows Update

Install Latest Windows Update ASAP! Patches Issued for 6 Actively Exploited Zero-Days

Install Latest Windows Update ASAP! Patches Issued for 6 Actively Exploited Zero-Days
Nov 09, 2022
Microsoft's latest round of monthly security updates has been released with fixes for  68 vulnerabilities  spanning its software portfolio, including patches for six actively exploited zero-days. 12 of the issues are rated Critical, two are rated High, and 55 are rated Important in severity. This also includes the weaknesses that were closed out by  OpenSSL  the previous week. Also separately  addressed  in Microsoft Edge at the start of the month is an actively exploited flaw in Chromium-based browsers ( CVE-2022-3723 ) that was plugged by Google as part of an out-of-band update late last month. "The big news is that  two older zero-day CVEs  affecting Exchange Server, made public at the end of September, have finally been fixed," Greg Wiseman, product manager at Rapid7, said in a statement shared with The Hacker News. "Customers are advised to update their  Exchange Server systems  immediately, regardless of whether any previously recommended mitigation steps

Microsoft Patch Tuesday Fixes New Windows Zero-Day; No Patch for Exchange Server Bugs

Microsoft Patch Tuesday Fixes New Windows Zero-Day; No Patch for Exchange Server Bugs
Oct 12, 2022
Microsoft's Patch Tuesday update for the month of October has addressed a total of  85 security vulnerabilities , including fixes for an actively exploited zero-day flaw in the wild. Of the 85 bugs, 15 are rated Critical, 69 are rated Important, and one is rated Moderate in severity. The update, however, does not include mitigations for the  actively exploited   ProxyNotShell  flaws in  Exchange Server . The  patches  come alongside  updates to resolve 12 other flaws  in the Chromium-based Edge browser that have been released since the beginning of the month. Topping the list of this month's patches is  CVE-2022-41033  (CVSS score: 7.8), a privilege escalation vulnerability in Windows COM+ Event System Service. An anonymous researcher has been credited with reporting the issue. "An attacker who successfully exploited this vulnerability could gain SYSTEM privileges," the company said in an advisory, cautioning that the shortcoming is being actively weaponized in

Microsoft Issues Patches for 121 Flaws, Including Zero-Day Under Active Attack

Microsoft Issues Patches for 121 Flaws, Including Zero-Day Under Active Attack
Aug 10, 2022
As many as  121 new security flaws  were patched by Microsoft as part of its Patch Tuesday updates for the month of August, which also includes a fix for a Support Diagnostic Tool vulnerability that the company said is being actively exploited in the wild. Of the 121 bugs, 17 are rated Critical, 102 are rated Important, one is rated Moderate, and one is rated Low in severity. Two of the issues have been listed as publicly known at the time of the release. It's worth noting that the 121 security flaws are in addition to  25 shortcomings  the tech giant addressed in its Chromium-based Edge browser late last month and the previous week. Topping the list of patches is  CVE-2022-34713  (CVSS score: 7.8), a case of remote code execution affecting the Microsoft Windows Support Diagnostic Tool (MSDT), making it the second flaw in the same component after  Follina  (CVE-2022-30190) to be weaponized in  real-world attacks  within three months. The vulnerability is also said to be a var

Patch Tuesday: Microsoft Issues Fix for Actively Exploited 'Follina' Vulnerability

Patch Tuesday: Microsoft Issues Fix for Actively Exploited 'Follina' Vulnerability
Jun 15, 2022
Microsoft finally released fixes to address an actively exploited Windows zero-day vulnerability known as Follina as part of its Patch Tuesday updates. Also addressed by the tech giant are  55 other flaws , three of which are rated Critical, 51 are rated Important, and one is rated Moderate in severity. Separately, five more shortcomings were resolved in the Microsoft Edge browser. Tracked as  CVE-2022-30190  (CVSS score: 7.8), the  zero-day bug  relates to a remote code execution vulnerability affecting the Windows Support Diagnostic Tool (MSDT) when it's invoked using the "ms-msdt:" URI protocol scheme from an application such as Word. The vulnerability can be trivially exploited by means of a specially crafted Word document that downloads and loads a malicious HTML file through Word's remote template feature. The HTML file ultimately permits the attacker to load and execute PowerShell code within Windows. "An attacker who successfully exploits this vuln

Microsoft Issues Patches for 2 Windows Zero-Days and 126 Other Vulnerabilities

Microsoft Issues Patches for 2 Windows Zero-Days and 126 Other Vulnerabilities
Apr 13, 2022
Microsoft's Patch Tuesday updates for the month of April have addressed a  total of 128 security vulnerabilities  spanning across its software product portfolio, including Windows, Defender, Office, Exchange Server, Visual Studio, and Print Spooler, among others. 10 of the 128 bugs fixed are rated Critical, 115 are rated Important, and three are rated Moderate in severity, with one of the flaws listed as publicly known and another under active attack at the time of the release. The updates are in addition to  26 other flaws  resolved by Microsoft in its Chromium-based Edge browser since the start of the month. The actively exploited flaw ( CVE-2022-24521 , CVSS score: 7.8) relates to an elevation of privilege vulnerability in the Windows Common Log File System (CLFS). Credited with reporting the flaw are the U.S. National Security Agency (NSA) and CrowdStrike researchers Adam Podlosky and Amir Bazine. The second publicly-known zero-day flaw ( CVE-2022-26904 , CVSS score: 7.0)

Microsoft's New Autopatch Feature to Help Businesses Keep Their Systems Up-to-Date

Microsoft's New Autopatch Feature to Help Businesses Keep Their Systems Up-to-Date
Apr 11, 2022
Microsoft last week announced that it intends to make generally available a feature called Autopatch as part of Windows Enterprise E3 in July 2022. "This service will keep Windows and Office software on enrolled endpoints up-to-date automatically, at no additional cost,"  said  Lior Bela, senior product marketing manager at Microsoft, in a post last week. "The second Tuesday of every month will be 'just another Tuesday.'" Windows Autopatch is intended to work with all supported versions of Windows 10, Windows 11, and Windows 365 for Enterprise. Windows Server OS and Windows 365 for Business, however, are not supported. The tech giant said the feature is aimed at tackling the complexity associated with software updates in enterprise IT environments as well as closing security gaps introduced as a result of not applying patches in a timely fashion, thereby opening the door to potential new threats.  The managed service works by applying the updates acro

Critical Security Patches Issued by Microsoft, Adobe and Other Major Software Firms

Critical Security Patches Issued by Microsoft, Adobe and Other Major Software Firms
Mar 09, 2022
Microsoft's  Patch Tuesday update  for the month of March has been made officially available with 71 fixes spanning across its software products such as Windows, Office, Exchange, and Defender, among others. Of the total 71 patches, three are rated Critical and 68 are rated Important in severity. While none of the vulnerabilities are listed as actively exploited, three of them are publicly known at the time of release. It's worth pointing out that Microsoft separately  addressed 21 flaws  in the Chromium-based Microsoft Edge browser earlier this month. All the three critical vulnerabilities remediated this month are remote code execution flaws impacting HEVC Video Extensions ( CVE-2022-22006 ), Microsoft Exchange Server ( CVE-2022-23277 ), and VP9 Video Extensions ( CVE-2022-24501 ). The Microsoft Exchange Server vulnerability, which was reported by researcher Markus Wulftange, is also noteworthy for the fact that it requires the attacker to be authenticated to be able to

Microsoft Issues Windows Update to Patch 0-Day Used to Spread Emotet Malware

Microsoft Issues Windows Update to Patch 0-Day Used to Spread Emotet Malware
Dec 15, 2021
Microsoft has rolled out  Patch Tuesday updates  to address multiple security vulnerabilities in Windows and other software, including one actively exploited flaw that's being abused to deliver Emotet, TrickBot, or Bazaloader malware payloads. The latest monthly release for December fixes a total of 67 flaws, bringing the total number of bugs patched by the company this year to 887, according to the  Zero Day Initiative . Seven of the 67 flaws are rated Critical and 60 are rated as Important in severity, with five of the issues publicly known at the time of release. It's worth noting that this is in addition to the  21 flaws  resolved in the Chromium-based Microsoft Edge browser. The most critical of the lot is  CVE-2021-43890  (CVSS score: 7.1), a Windows AppX installer spoofing vulnerability that Microsoft said could be exploited to achieve arbitrary code execution. The lower severity rating is indicative of the fact that code execution hinges on the logged-on user level,

Microsoft Issues Patches for Actively Exploited Excel, Exchange Server 0-Day Bugs

Microsoft Issues Patches for Actively Exploited Excel, Exchange Server 0-Day Bugs
Nov 10, 2021
Microsoft has released security updates as part of its monthly  Patch Tuesday  release cycle to address 55 vulnerabilities across Windows, Azure, Visual Studio, Windows Hyper-V, and Office, including fixes for two actively exploited zero-day flaws in Excel and Exchange Server that could be abused to take control of an affected system. Of the 55 glitches, six are rated Critical and 49 are rated as Important in severity, with four others listed as publicly known at the time of release.  The most critical of the flaws are  CVE-2021-42321  (CVSS score: 8.8) and  CVE-2021-42292  (CVSS score: 7.8), each concerning a  post-authentication remote code execution flaw  in Microsoft Exchange Server and a security bypass vulnerability impacting Microsoft Excel versions 2013-2021 respectively. The Exchange Server issue is also one of the bugs that was demonstrated at the  Tianfu Cup  held in China last month. However, the Redmond-based tech giant did not provide any details on how the two aforem

Microsoft Releases Patch for Actively Exploited Windows Zero-Day Vulnerability

Microsoft Releases Patch for Actively Exploited Windows Zero-Day Vulnerability
Sep 15, 2021
A day after  Apple  and  Google  rolled out urgent security updates, Microsoft has  pushed software fixes  as part of its monthly Patch Tuesday release cycle to plug 66 security holes affecting Windows and other components such as Azure, Office, BitLocker, and Visual Studio, including an  actively exploited zero-day  in its MSHTML Platform that came to light last week.  Of the 66 flaws, three are rated Critical, 62 are rated Important, and one is rated Moderate in severity. This is aside from the  20 vulnerabilities  in the Chromium-based Microsoft Edge browser that the company addressed since the start of the month. The most important of the updates concerns a patch for  CVE-2021-40444  (CVSS score: 8.8), an actively exploited remote code execution vulnerability in MSHTML that leverages malware-laced Microsoft Office documents, with EXPMON researchers noting "the exploit uses logical flaws so the exploitation is perfectly reliable." Also addressed is a publicly disclose

Microsoft Releases Windows Updates to Patch Actively Exploited Vulnerability

Microsoft Releases Windows Updates to Patch Actively Exploited Vulnerability
Aug 11, 2021
Microsoft on Tuesday rolled out  security updates  to address a total of 44 security issues affecting its software products and services, one of which it says is an actively exploited zero-day in the wild. The update, which is the smallest release since December 2019, squashes seven Critical and 37 Important bugs in Windows, .NET Core & Visual Studio, Azure, Microsoft Graphics Component, Microsoft Office, Microsoft Scripting Engine, Microsoft Windows Codecs Library, Remote Desktop Client, among others. This is in addition to  seven security flaws  it patched in the Microsoft Edge browser on August 5. Chief among the patched issues is  CVE-2021-36948  (CVSS score: 7.8), an elevation of privilege flaw affecting Windows Update Medic Service — a service that enables remediation and protection of Windows Update components — which could be abused to run malicious programs with escalated permissions. Microsoft's Threat Intelligence Center has been credited with reporting the flaw

Update Your Windows PCs to Patch 117 New Flaws, Including 9 Zero-Days

Update Your Windows PCs to Patch 117 New Flaws, Including 9 Zero-Days
Jul 14, 2021
Microsoft rolled out  Patch Tuesday updates  for the month of July with fixes for a total of 117 security vulnerabilities, including nine zero-day flaws, of which four are said to be under active attacks in the wild, potentially enabling an adversary to take control of affected systems.  Of the 117 issues, 13 are rated Critical, 103 are rated Important, and one is rated as Moderate in severity, with six of these bugs publicly known at the time of release.  The updates span across several of Microsoft's products, including Windows, Bing, Dynamics, Exchange Server, Office, Scripting Engine, Windows DNS, and Visual Studio Code. July also marks a dramatic jump in the volume of vulnerabilities, surpassing the number Microsoft collectively addressed as part of its updates in  May  (55) and  June  (50). Chief among the security flaws actively exploited are as follows — CVE-2021-34527  (CVSS score: 8.8) - Windows Print Spooler Remote Code Execution Vulnerability (publicly disclosed

Microsoft's Emergency Patch Fails to Fully Fix PrintNightmare RCE Vulnerability

Microsoft's Emergency Patch Fails to Fully Fix PrintNightmare RCE Vulnerability
Jul 08, 2021
Even as Microsoft  expanded patches  for the so-called PrintNightmare vulnerability for Windows 10 version 1607, Windows Server 2012, and Windows Server 2016, it has come to light that the fix for the remote code execution exploit in the Windows Print Spooler service can be bypassed in certain scenarios, effectively defeating the security protections and permitting attackers to run arbitrary code on infected systems. On Tuesday, the Windows maker issued an  emergency out-of-band update  to address  CVE-2021-34527  (CVSS score: 8.8) after the flaw was accidentally disclosed by researchers from Hong Kong-based cybersecurity firm Sangfor late last month, at which point it emerged that the issue was different from another bug — tracked as  CVE-2021-1675  — that was patched by Microsoft on June 8. "Several days ago, two security vulnerabilities were found in Microsoft Windows' existing printing mechanism," Yaniv Balmas, head of cyber research at Check Point, told The Hack
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