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Microsoft Teams users worldwide experienced significant service disruptions on December 20, 2025, as the collaboration platform encountered widespread issues affecting messaging functionality and other critical service operations. The company has ackno…
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Microsoft has released an out-of-band security update to address a significant vulnerability in Message Queuing (MSMQ) functionality that impacts Windows 10 systems running IIS web servers and enterprise environments. The flaw, discovered and documente…
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Microsoft has announced a significant update to its device connectivity policies for Exchange Online, aimed at enhancing security and ensuring users are on modern protocols. Starting March 1, 2026, mobile devices running Exchange ActiveSync (EAS) versi…
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A critical vulnerability (CVE-2025-34352) found by XM Cyber in the JumpCloud Remote Assist for Windows agent allows local users to gain full SYSTEM privileges. Businesses must update to version 0.317.0 or later immediately to patch the high-severity flaw.
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Microsoft has released comprehensive guidance on CVE-2025-55182, a critical pre-authentication remote code execution (RCE) vulnerability affecting React Server Components and the Next.js framework. Assigned a maximum CVSS score of 10.0, this vulnerabil…
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Microsoft’s December 2025 security update has introduced a significant compatibility issue affecting Message Queuing (MSMQ) functionality across Windows Server and client environments. The problematic update, identified as KB5071546 (OS Build 190…
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Security researchers have released a proof-of-concept (PoC) exploit for CVE-2024-21413, a critical remote code execution vulnerability in Microsoft Outlook dubbed “MonikerLink.” This flaw enables attackers to execute arbitrary code on victi…
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Microsoft has announced a significant security upgrade to its Microsoft Entra ID authentication process, as part of the company’s broader Secure Future Initiative. Microsoft is updating its Content Security Policy (CSP) to block the execution of external scripts during user sign-ins. This proactive measure is designed to shield organizations from evolving cyber threats, specifically cross-site […] The post Microsoft to Block External Scripts in Entra ID Logins to Enhance Protections appeared first on Cyber Security News.
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Microsoft has announced a significant security change to the Microsoft Entra ID sign-in experience that will block external scripts from running during user logins. The update is designed to stop unauthorized or injected code from executing on the logi…
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Security researchers have discovered a critical vulnerability in Microsoft Teams that allows attackers to bypass all Defender for Office 365 protections by inviting users into malicious tenant environments. The flaw exploits a fundamental architectural…
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