CISA has warned that a critical vulnerability in Microsoft Exchange Servers poses a grave risk to entire Microsoft 365 ...

Microsoft has urged its customers to be on high alert after discovering a dangerous vulnerability in hybrid Exchange ...

If an attacker gets admin control over the on-premises Exchange server, they can forge authentication tokens or make API ...

Over 29,000 Microsoft Exchange servers remain unpatched against a vulnerability that could allow attackers to seize control ...

Microsoft sounded the alarm on a hybrid Exchange bug in early August 2025 However almost 30,000 instances remain vulnerable ...

Microsoft fixed 111 vulnerabilities, including a Windows Kerberos zero-day enabling full AD compromise via BadSuccessor.

"In an Exchange hybrid deployment, an attacker who first gains administrative access to an on-premises Exchange server could ...

Microsoft has warned customers to mitigate a high-severity vulnerability in Exchange Server hybrid deployments that could allow attackers to escalate privileges in Exchange Online cloud environments ...

July 21 (UPI) -- An investigation is underway after hackers used a security flaw in Microsoft software to internationally infiltrate agencies and businesses over the weekend.

Microsoft’s security advisory emphasizes that the emergency patches provide “more robust protections” compared to earlier fixes. CVE-2025-53770 offers enhanced security beyond the CVE-2025-49704 ...

Today is Microsoft's August 2025 Patch Tuesday, which includes security updates for 107 flaws, including one publicly ...

To secure the endpoints, Microsoft recommends applying the July 2025 security updates immediately, as well as enabling Antimalware Scan Interface (AMSI) for SharePoint and making sure Defender ...