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The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has urged government agencies to apply patches for two security flaws impacting Synacor Zimbra Collaboration Suite (ZCS) and Microsoft Office SharePoint, stating they have been actively exploited in the wild
A Chinese hacking group is deploying Warlock ransomware on Microsoft SharePoint servers vulnerable to widespread attacks targeting the recently patched ToolShell zero-day exploit chain. [...]
Threat actors with links to the Play ransomware family exploited a recently patched security flaw in Microsoft Windows as a zero-day as part of an attack targeting an unnamed organization in the United States
Tech Giant Says Threat Actors Are Exploiting a Flaw in Widely-Targeted Windows ToolRansomware threat actors are exploiting a zero-day vulnerability discovered in a highly targeted Windows logging system tool in a campaign in part targeting U.S. IT and real estate sectors, Microsoft confirmed in a Tuesday blog post urging customers to apply available patches.
Microsoft has revealed that a now-patched security flaw impacting the Windows Common Log File System (CLFS) was exploited as a zero-day in ransomware attacks aimed at a small number of targets
Symantec suggests Black Basta crew beat Microsoft to the patch The Black Basta ransomware gang may have exploited a now-patched Windows privilege escalation bug as a zero-day, according to Symantec's threat hunters.…
Microsoft has patched a zero-day vulnerability in the Windows Common Log File System (CLFS), actively exploited by cybercriminals to escalate privileges and deploy Nokoyawa ransomware payloads. [...]
Microsoft has patched another zero-day bug used by attackers to circumvent the Windows SmartScreen cloud-based anti-malware service and deploy Magniber ransomware payloads without raising any red flags. [...]
Microsoft has fixed a security vulnerability used by threat actors to circumvent the Windows SmartScreen security feature and deliver payloads in Magniber ransomware attacks. [...]