CVE-2021-27076
mediumpriority · track · 31EPSS 0.152 · 97 %ileEURUUSEPSS · scored 2026-10-27
Microsoft SharePoint Server Remote Code Execution Vulnerability
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedMicrosoft Business Productivity Servers 2010 Service Pack 2msrc_csaf
14.0.7267.5000:Security Update:https://support.microsoft.com/help/3101541
https://support.microsoft.com/help/3101541 - FixedMicrosoft SharePoint Enterprise Server 2016msrc_csaf
16.0.5134.1000:Security Update:https://support.microsoft.com/kb/4493232
https://support.microsoft.com/kb/4493232 - FixedMicrosoft SharePoint Foundation 2013 Service Pack 1msrc_csaf
15.0.5327.1000:Security Update:https://support.microsoft.com/kb/4493238
https://support.microsoft.com/kb/4493238 - FixedMicrosoft SharePoint Server 2019msrc_csaf
16.0.10372.20000:Security Update:https://support.microsoft.com/kb/4493230
https://support.microsoft.com/kb/4493230
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (20)
Products and version ranges known to be affected.
- Microsoft Microsoft Business Productivity Servers 2010 Service Pack 213.0.0.0 → publicationenisa_euvdEU
- microsoft business productivity servers= 2010nvdUScpe:2.3:a:microsoft:business_productivity_servers:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- msrc_CVE-2021-27076Microsoft SharePoint Server Remote Code Execution Vulnerability2021-03-09csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27076cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-27076cnnvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27076cnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-21-276/cnnvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27076enisa_euvd
- https://www.zerodayinitiative.com/advisories/ZDI-21-276/enisa_euvd
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27076nvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27076PatchVendor Advisorynvd
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