tldrdailynews.com logo

Microsoft Issues Urgent Warning on Critical Exchange Server Vulnerability

1 min read
Source: CISA (.gov)
TL;DR

CISA warns of a high-severity vulnerability in hybrid Exchange deployments (CVE-2025-53786) that could allow privilege escalation and compromise of the organization's Exchange Online service. Organizations are advised to follow Microsoft's guidance, install hotfix updates, and disconnect end-of-life servers from the internet to mitigate risks.

Topics:technologysecurity#cisa#cve-2025-53786#hybrid-deployment#microsoft-exchange#security#vulnerability
Share this article
  1. Microsoft Releases Guidance on High-Severity Vulnerability (CVE-2025-53786) in Hybrid Exchange Deployments  CISA (.gov)
  2. ‘High-severity’ Microsoft Exchange vulnerability disclosed on heels of Black Hat talk  Nextgov/FCW
  3. CISA, Microsoft warn about new Microsoft Exchange server vulnerability  Yahoo Finance
  4. New Microsoft Exchange Server Vulnerability Enables Attackers to Gain Admin Privileges  CyberSecurityNews
  5. New Critical Vulnerability Discovered in Microsoft Exchange Server: CISA Warns  Red Hot Cyber

Want the full story? Read the original reporting

Read on CISA (.gov)