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CVE-2021-26427— Microsoft Exchange Server Remote Code Execution Vulnerability

CVSS 9.0 · Critical EPSS 0.87% · P55
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I. Basic Information for CVE-2021-26427

Vulnerability Information
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Vulnerability Title
Microsoft Exchange Server Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Microsoft Exchange Server Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Exchange Server 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Exchange Server是美国微软（Microsoft）公司的一套电子邮件服务程序。它提供邮件存取、储存、转发，语音邮件，邮件过滤筛选等功能。 Microsoft Exchange Server存在权限许可和访问控制问题漏洞。以下产品和版本受到影响：Microsoft Exchange Server 2016 Cumulative Update 21,Microsoft Exchange Server 2019 Cumulative Update 10,Microsoft Exc
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
MicrosoftMicrosoft Exchange Server 2016 Cumulative Update 22 15.0.0 ~ 15.01.2375.012 cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22:*:*:*:*:*:*
MicrosoftMicrosoft Exchange Server 2019 Cumulative Update 11 15.02.0 ~ 15.02.0986.009 cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11:*:*:*:*:*:*
MicrosoftMicrosoft Exchange Server 2013 Cumulative Update 23 15.00.0 ~ 15.00.1497.024 cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
MicrosoftMicrosoft Exchange Server 2016 Cumulative Update 21 15.01.0 ~ 15.01.2308.015 cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:*
MicrosoftMicrosoft Exchange Server 2019 Cumulative Update 10 15.02.0 ~ 15.02.0922.014 cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:*:*:*:*:*:*

II. Public POCs for CVE-2021-26427

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III. Intelligence Information for CVE-2021-26427

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Vendor Advisories for CVE-2021-26427 (1)

Same Patch Batch · Microsoft · 2021-10-13 · 71 CVEs total

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CVE-2021-413488.0 HIGHMicrosoft Exchange Server Elevation of Privilege Vulnerability
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CVE-2021-404627.8 HIGHWindows Media Foundation Dolby Digital Atmos Decoders Remote Code Execution Vulnerability
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CVE-2021-404737.8 HIGHMicrosoft Excel Remote Code Execution Vulnerability
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CVE-2021-404777.8 HIGHWindows Event Tracing Elevation of Privilege Vulnerability
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CVE-2021-404807.8 HIGHMicrosoft Office Visio Remote Code Execution Vulnerability
CVE-2021-404857.8 HIGHMicrosoft Excel Remote Code Execution Vulnerability
CVE-2021-404867.8 HIGHMicrosoft Word Remote Code Execution Vulnerability
CVE-2021-404887.8 HIGHStorage Spaces Controller Elevation of Privilege Vulnerability

Showing top 20 of 71 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Microsoft Exchange Server 2016 Cumulative Update 22
Same vendor: Microsoft

V. Comments for CVE-2021-26427

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