Silk Typhoon targeting IT supply chain
Silk Typhoon is a Chinese state actor focused on espionage campaigns targeting a wide range of industries in the US and throughout the world.
Vulnerabilities and exploits
Microsoft security researchers monitor the threat landscape and collaborate with customers, partners, and industry experts to discover new vulnerabilities and exploits. Explore our latest findings and how they inform faster, more effective defenses.
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Analyzing CVE-2024-44243, a macOS System Integrity Protection bypass through kernel extensions
Microsoft discovered a macOS vulnerability allowing attackers to bypass System Integrity Protection (SIP) by loading third party kernel extensions, which could lead to serious consequences, such as allowing attackers to install rootkits, create persistent malware, bypass Transparency, Consent, and Control (TCC), and expand the attack surface to perform other unauthorized operations. -
New macOS vulnerability, “HM Surf”, could lead to unauthorized data access
Microsoft Threat Intelligence uncovered a macOS vulnerability that could potentially allow an attacker to bypass the operating system’s Transparency, Consent, and Control (TCC) technology and gain unauthorized access to a user’s protected data. -
North Korean threat actor Citrine Sleet exploiting Chromium zero-day
Microsoft identified a North Korean threat actor exploiting a zero-day vulnerability in Chromium (CVE-2024-7971) to gain remote code execution (RCE) in the Chromium renderer process. Go beyond data protection with Microsoft Purview
Govern, protect, and manage all of your data with Microsoft Purview, comprehensive solutions to help give you better visibility and control.
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Chained for attack: OpenVPN vulnerabilities discovered leading to RCE and LPE
Microsoft researchers found multiple vulnerabilities in OpenVPN that could lead to an attack chain allowing remote code execution and local privilege escalation. -
Ransomware operators exploit ESXi hypervisor vulnerability for mass encryption
Microsoft Security researchers have observed a vulnerability used by various ransomware operators to get full administrative access to domain-joined ESXi hypervisors and encrypt the virtual machines running on them. -
Vulnerabilities in PanelView Plus devices could lead to remote code execution
Microsoft discovered and responsibly disclosed two vulnerabilities in Rockwell’s PanelView Plus that could be remotely exploited by unauthenticated attackers, allowing them to perform remote code execution (RCE) and denial-of-service (DoS). -
“Dirty stream” attack: Discovering and mitigating a common vulnerability pattern in Android apps
Microsoft discovered a vulnerability pattern in multiple popular Android applications that could enable a malicious application to overwrite files in the vulnerable application’s internal data storage directory, which could lead to arbitrary code execution and token theft, among other impacts. Streamline privacy management with Microsoft Priva
Protect and govern personal information, reduce privacy risks, and manage subject rights requests at scale with Microsoft Priva privacy risk management solutions.
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Analyzing Forest Blizzard’s custom post-compromise tool for exploiting CVE-2022-38028 to obtain credentials
Since 2019, Forest Blizzard has used a custom post-compromise tool to exploit a vulnerability in the Windows Print Spooler service that allows elevated permissions. -
Attackers exploiting new critical OpenMetadata vulnerabilities on Kubernetes clusters
Microsoft recently uncovered an attack that exploits new critical vulnerabilities in OpenMetadata to gain access to Kubernetes workloads and leverage them for cryptomining activity. -
Patching Perforce perforations: Critical RCE vulnerability discovered in Perforce Helix Core Server
Four new unauthenticated remotely exploitable security vulnerabilities discovered in the popular source code management platform Perforce Helix Core Server have been remediated after being responsibly disclosed by Microsoft. -
Multiple North Korean threat actors exploiting the TeamCity CVE-2023-42793 vulnerability
Since early October 2023, Microsoft has observed North Korean nation-state threat actors Diamond Sleet and Onyx Sleet exploiting the Jet Brains TeamCity CVE-2023-42793 remote-code execution vulnerability.
