Zerologon Attacks Against Microsoft DCs Snowball in a Week

A spike in exploitation attempts against the Microsoft vulnerability CVE-2020-1472, known as the Zerologon bug, continues to plague businesses. That’s according to researchers from Cisco Talos, who warned that cybercriminals are redoubling their efforts to trigger the elevation-of-privilege bug i...

Microsoft Netlogon exploitation continues to rise

Cisco Talos is tracking a spike in exploitation attempts against the Microsoft vulnerability CVE-2020-1472, an elevation of privilege bug in Netlogon, outlined in the August Microsoft Patch Tuesday report. The vulnerability stems from a flaw in a cryptographic authentication scheme used by the...

Microsoft Overhauls ‘Patch Tuesday’ Security Update Guide

Microsoft has updated its Security Update Guide, which is used by tens of millions of cybersecurity professionals the second Tuesday of every month, also known as Patch Tuesday. The update, according to Microsoft, is meant to deliver a more intuitive user experience. For its latest update,...

This Week in Security News: Microsoft Fixes 129 Vulnerabilities for September’s Patch Tuesday and Trend Micro’s XDR Offerings Simplify and Optimize Detection and Response

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. This week, read about this month’s Patch Tuesday update from Microsoft. Also, learn about Trend Micro’s Worry-Free XDR: a new version of its XDR platfo...

Microsoft's Patch Tuesday Packed with Critical RCE Bugs

Microsoft has released patches for 129 security bugs in its September Patch Tuesday update. These include 23 critical flaws, 105 that are important in severity and one moderate bug. Fortunately, none are publicly known or under active exploitation, Microsoft said. The most severe issue in the bun...

September 2020 Patch Tuesday – 129 Vulnerabilities, 23 Critical, SharePoint, Exchange, Windows Codecs, Adobe Vulns

This month’s Microsoft Patch Tuesday addresses 129 vulnerabilities with 23 of them labeled as Critical. The 23 Critical vulnerabilities cover SharePoint, Exchange, Dynamics 365, Windows Codecs, and several other workstation vulnerabilities. Adobe released patches today for Experience Manager,...

Microsoft Patch Tuesday August 2020: vulnerabilities with Detected Exploitation, useful for phishing and others

This time I would like to review not only the vulnerabilities that were published in the last August Microsoft Patch Tuesday, but also the CVEs that were published on other, not Patch Tuesday, days. Of course, if there are any. But lets start with the vulnerabilities that were presented on MS Pat...

Microsoft Issues Emergency Security Updates for Windows 8.1 and Server 2012 R2

Microsoft has issued an emergency out-of-band software update for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2 systems to patch two new recently disclosed security vulnerabilities. Tracked as CVE-2020-1530 and CVE-2020-1537, both flaws reside in the Remote Access Service RAS in a way i...

Microsoft Out-of-Band Security Update Fixes Windows Remote Access Flaws

Microsoft has released an out-of-band security update addressing two high-severity elevation-of-privilege EoP bugs. Both flaws exist in a service called Windows Remote Access, which provides remote-access capabilities to client applications on computers running Windows. Of note, both flaws were...

This Week in Security News: Microsoft Patches 120 Vulnerabilities, Including Two Zero-Days and Trend Micro Brings DevOps Agility and Automation to Security Operations Through Integration with AWS Solutions

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. This week, read about one of Microsoft’s largest Patch Tuesday updates ever, including fixes for 120 vulnerabilities and two zero-days. Also, learn abo...

Threat Source newsletter for Aug. 13, 2020

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. It’s really tough to attribute cyber attacks. We know it. You know it. But why is that, exactly? And why do we want to attribute attacks so badly anyway? In our latest blog post, we look at why attribution is challenging, and what...

Two 0-Days Under Active Attack, Among 120 Bugs Patched by Microsoft

Two Microsoft vulnerabilities are under active attack, according the software giant’s August Patch Tuesday Security Updates. Patches for the flaws are available for the bugs, bringing this month’s total number of vulnerabilities to 120. One of the flaws being exploited in the wild is CVE-2020-146...

August 2020 Patch Tuesday – 120 Vulnerabilities, 17 Critical, Media Foundation, Windows Codecs, Workstation, Adobe

This month’s Microsoft Patch Tuesday addresses 120 vulnerabilities with 17 of them labeled as Critical. The 17 Critical vulnerabilities cover Media Foundation, .NET Framework, Browsers, Scripting Engines, Office, Outlook, Windows Codecs and several other workstation vulnerabilities. Adobe release...

Exploit for Time-of-check Time-of-use (TOCTOU) Race Condition in Microsoft

CVE-2020-1337 CVE-2020-1337 is a bypass of PrintDemon...

Microsoft Patch Tuesday July 2020: my new open source project Vulristics, DNS SIGRed, RDP Client and SharePoint

I am doing this episode about July vulnerabilities already in August. There are 2 reasons for this. First of all, July Microsoft Patch Tuesday was published in the middle of the month, as late as possible. Secondly, in the second half of July I spent my free time mostly on coding. And I would lik...

Microsoft Tackles 123 Fixes for July Patch Tuesday

A critical DNS bug and a publicly known elevation-of-privilege flaw top Microsoft’s July Patch Tuesday list of 123 fixes. The DNS flaw is a remote code-execution bug and is touted as one of the most critical Windows vulnerabilities released this year, earning the highest-severity CVSS score of 10...

July 2020 Patch Tuesday – 123 Vulnerabilities, 18 Critical, Hyper-V RemoteFX, DNS Server, Workstation, Adobe

This month’s Microsoft Patch Tuesday addresses 123 vulnerabilities with 18 of them labeled as Critical. The 18 Critical vulnerabilities cover Hyper-V, DNS Server, PerformancePoint, SharePoint Server, Office, Outlook, Remote Desktop, and several other workstation vulnerabilities. Adobe issued...

17-Year-Old Critical 'Wormable' RCE Vulnerability Impacts Windows DNS Servers

Cybersecurity researchers today disclosed a new highly critical "wormable" vulnerability—carrying a severity score of 10 out of 10 on the CVSS scale—affecting Windows Server versions 2003 to 2019. The 17-year-old remote code execution flaw CVE-2020-1350, dubbed 'SigRed ' by Check Point, could all...

Microsoft Patch Tuesday for July 2020 — Snort rules and prominent vulnerabilities

By Jon Munshaw. Microsoft released its monthly security update Tuesday, disclosing more than 120 vulnerabilities across its array of products. While only a few vulnerabilities are considered critical, users of all Microsoft and Windows products are urged to update their software as soon as possib...

Microsoft Patch Tuesday June 2020: The Bleeding Ghost of SMB

This time, Microsoft addressed 129 vulnerabilities: 11 critical and 118 important. In fact, in the file that I exported from the Microsoft website, I saw 2 more CVEs CVE-2020-1221, CVE-2020-1328 related to Microsoft Dynamics 365 on-premises. But there is no information on them on the Microsoft...