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Over 29,000 Microsoft Exchange servers remain unpatched against a vulnerability that could allow attackers to seize control of entire domains in hybrid cloud environments
Over 29,000 Exchange servers exposed online remain unpatched against a high-severity vulnerability that can let attackers move laterally in Microsoft cloud environments, potentially leading to complete domain compromise. [...]
No reported in-the-wild exploits…yet Microsoft and the feds late Wednesday sounded the alarm on another high-severity bug in Exchange Server hybrid deployments that could allow attackers to escalate privileges from on-premises Exchange to the cloud.…
Microsoft has released an advisory for a high-severity security flaw affecting on-premise versions of Exchange Server that could allow an attacker to gain elevated privileges under certain conditions
Microsoft has warned customers to mitigate a high-severity vulnerability in Exchange Server hybrid deployments that could allow attackers to escalate their privileges in Exchange Online cloud environments without leaving any traces. [...]
Microsoft on Thursday warned of a consumer-facing attack that made use of rogue OAuth applications on compromised cloud tenants to ultimately seize control of Exchange servers and spread spam
Microsoft says a threat actor gained access to cloud tenants hosting Microsoft Exchange servers in credential stuffing attacks, with the end goal of deploying malicious OAuth applications and sending phishing emails. [...]