Home/CVE/Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE

CVE-2021-26420

Microsoft SharePoint Server Remote Code Execution Vulnerability

Microsoft SharePoint Server Remote Code Execution Vulnerability.

HIGH · CVSS 7.1 EPSS 0.08361
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  • EPSS percentile: top 8% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Affected Products & Versions

3
microsoft sharepoint enterprise serverall versions
microsoft sharepoint foundationall versions
microsoft sharepoint serverall versions
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Scoring & Timeline

7.1
HIGH · CVSS v3.1 · secure@microsoft.com
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Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Jun 2021 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
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Vendor Advisories

1
msrcCVE-2021-26420Remote Code Execution
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References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26420PatchVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-755/Third Party AdvisoryVDB Entry
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