---
title: "Discussion on \"Technical analysis CVE-2026-45504: Small error, big risk on Microsoft Exchange\" | Hashnode"
description: "Discussion on \"Technical analysis CVE-2026-45504: Small error, big risk on Microsoft Exchange\". Campaign summary\nCVE-2026-45504 is a serious cybersecurity vulnerability affecting on-premises (internal) Microsoft Exchange Server servers. The vulnerability allows a low-privileged but authenticated"
url: "https://hashnode.com/posts/technical-analysis-cve-2026-45504-small-error-big-risk-on-microsoft-exchange/6a4c50fa48e43ac06d51d5e1"
---

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# [Technical analysis CVE-2026-45504: Small error, big risk on Microsoft Exchange](https://blog.fiscybersec.com/technical-analysis-cve-2026-45504-small-error-big-risk-on-microsoft-exchange?utm_source=hashnode&utm_medium=feed)

Campaign summary CVE-2026-45504 is a serious cybersecurity vulnerability affecting on-premises (internal) Microsoft Exchange Server servers. The vulnerability allows a low-privileged but authenticated

Jul 7 · 14 min read · blog.fiscybersec.com  
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[Lưu Tuấn Anh](https://hashnode.com/@anhlt120)

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