Microsoft Patches Exchange Server RCE Vulnerability CVE-2021-31196
Microsoft disclosed and patched CVE-2021-31196, a remote code execution vulnerability in Microsoft Exchange Server. The company rated the flaw Important and assigned it a CVSS 3.0 score of 7.2, with the vector AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H, indicating the issue is reachable over the network, requires no user interaction, and could lead to high impact across confidentiality, integrity, and availability if successfully exploited.
Microsoft said the vulnerability required high privileges, assessed exploitation as less likely, and reported that exploit code was unproven and that the flaw was not publicly disclosed or actively exploited at the time of publication. An official security update was made available through the Microsoft Security Response Center, and Microsoft credited Orange Tsai of DEVCORE with reporting the issue.

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Microsoft discloses and patches Exchange RCE CVE-2021-31196
Microsoft published advisory CVE-2021-31196 for a remote code execution vulnerability in Microsoft Exchange Server, rated Important with a CVSS 7.2 score. The company stated a fix was available, said the issue was not publicly disclosed or exploited at the time of publication, and credited Orange Tsai of DEVCORE for reporting it.
Sources
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CVE-2021-31196 - Security Update Guide - Microsoft - Microsoft Exchange Server Remote Code Execution Vulnerability
msrc.microsoft.com
Open sourceCVE-2021-31196 - Security Update Guide - Microsoft - Microsoft Exchange Server Remote Code Execution Vulnerability
msrc.microsoft.com
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