Microsoft researchers on Thursday disclosed two dozen vulnerabilities affecting a wide range of Internet of Things (IoT) and Operational Technology (OT) devices used in industrial, medical, and enterprise networks that could be abused by adversaries to execute arbitrary code and even cause critical systems to crash. "These remote code execution (RCE) vulnerabilities cover more … [Read more...] about Microsoft Finds ‘BadAlloc’ Flaws Affecting Wide-Range of IoT and OT Devices
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Black Kingdom Ransomware Hunting Unpatched Microsoft Exchange Servers
More than a week after Microsoft released a one-click mitigation tool to mitigate cyberattacks targeting on-premises Exchange servers, the company disclosed that patches have been applied to 92% of all internet-facing servers affected by the ProxyLogon vulnerabilities. The development, a 43% improvement from the previous week, caps off a whirlwind of espionage and malware … [Read more...] about Black Kingdom Ransomware Hunting Unpatched Microsoft Exchange Servers
Microsoft Issues Security Patches for 89 Flaws — IE 0-Day Under Active Attacks
Microsoft plugged as many as 89 security flaws as part of its monthly Patch Tuesday updates released today, including fixes for an actively exploited zero-day in Internet Explorer that could permit an attacker to run arbitrary code on target machines. Of these flaws, 14 are listed as Critical, and 75 are listed as Important in severity, out of which two of the bugs are … [Read more...] about Microsoft Issues Security Patches for 89 Flaws — IE 0-Day Under Active Attacks
Microsoft Issues Patches for In-the-Wild 0-day and 55 Others Windows Bugs
Microsoft on Tuesday issued fixes for 56 flaws, including a critical vulnerability that's known to be actively exploited in the wild. In all, 11 are listed as Critical, 43 are listed as Important, and two are listed as Moderate in severity — six of which are previously disclosed vulnerabilities. The updates cover .NET Framework, Azure IoT, Microsoft Dynamics, Microsoft Edge for … [Read more...] about Microsoft Issues Patches for In-the-Wild 0-day and 55 Others Windows Bugs
Microsoft Says SolarWinds Hackers Accessed Some of Its Source Code
Microsoft on Thursday revealed that the threat actors behind the SolarWinds supply chain attack were able to gain access to a small number of internal accounts and escalate access inside its internal network. The "very sophisticated nation-state actor" used the unauthorized access to view, but not modify, the source code present in its repositories, the company said. "We … [Read more...] about Microsoft Says SolarWinds Hackers Accessed Some of Its Source Code
Microsoft Warns CrowdStrike of Hackers Targeting Azure Cloud Customers
New evidence amidst the ongoing probe into the espionage campaign targeting SolarWinds has uncovered an unsuccessful attempt to compromise cybersecurity firm Crowdstrike and access the company's email. The hacking endeavor was reported to the company by Microsoft's Threat Intelligence Center on December 15, which identified a third-party reseller's Microsoft Azure account to be … [Read more...] about Microsoft Warns CrowdStrike of Hackers Targeting Azure Cloud Customers
A Second Hacker Group May Have Also Breached SolarWinds, Microsoft Says
As the probe into the SolarWinds supply chain attack continues, new digital forensic evidence has brought to light that a separate threat actor may have been abusing the IT infrastructure provider's Orion software to drop a similar persistent backdoor on target systems. "The investigation of the whole SolarWinds compromise led to the discovery of an additional malware that also … [Read more...] about A Second Hacker Group May Have Also Breached SolarWinds, Microsoft Says
Microsoft Says Its Systems Were Also Breached in Massive SolarWinds Hack
The massive state-sponsored espionage campaign that compromised software maker SolarWinds also targeted Microsoft, as the unfolding investigation into the hacking spree reveals the incident may have been far more wider in scope, sophistication, and impact than previously thought. News of Microsoft's compromise was first reported by Reuters, which also said the company's own … [Read more...] about Microsoft Says Its Systems Were Also Breached in Massive SolarWinds Hack
Zero-Click Wormable RCE Vulnerability Reported in Microsoft Teams
A zero-click remote code execution (RCE) bug in Microsoft Teams desktop apps could have allowed an adversary to execute arbitrary code by merely sending a specially-crafted chat message and compromise a target's system. The issues were reported to the Windows maker by Oskars Vegeris, a security engineer from Evolution Gaming, on August 31, 2020, before they were addressed at … [Read more...] about Zero-Click Wormable RCE Vulnerability Reported in Microsoft Teams
Microsoft Releases Patches For Critical Windows TCP/IP and Other Bugs
Microsoft on Tuesday issued fixes for 87 newly discovered security vulnerabilities as part of its October 2020 Patch Tuesday, including two critical remote code execution (RCE) flaws in Windows TCP/IP stack and Microsoft Outlook. The flaws, 11 of which are categorized as Critical, 75 are ranked Important, and one is classified Moderate in severity, affect Windows, Office and … [Read more...] about Microsoft Releases Patches For Critical Windows TCP/IP and Other Bugs