Uncontrolled Recursion Vulnerability in Microsoft Exchange Server
CVE-2026-69378
Key Information:
What is CVE-2026-69378?
An uncontrolled recursion flaw in Microsoft Exchange Server can be exploited by unauthorized attackers to cause a denial of service over a network, disrupting services and accessibility for legitimate users. This vulnerability highlights the importance of implementing robust security measures to protect systems from potential attacks. Organizations using Microsoft Exchange Server should ensure they are aware of this vulnerability and take necessary precautions to mitigate risks.
Affected Version(s)
Microsoft Exchange Server 2016 Cumulative Update 23 x64-based Systems 15.01.0.0 < 15.01.2507.073
Microsoft Exchange Server 2019 Cumulative Update 14 x64-based Systems 15.02.0.0 < 15.02.1544.046
Microsoft Exchange Server 2019 Cumulative Update 15 x64-based Systems 15.02.0.0 < 15.02.1748.051