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Vulnerability record · CVE-2021-24066 · published 25 February 2021
CVE-2021-24066: Microsoft sharepoint enterprise server deserialization of untrusted data vulnerability
Microsoft · Sharepoint Enterprise Server
Microsoft SharePoint Remote Code Execution Vulnerability
8.8 CVSS 3.1 High EPSS 6.3% · top 6.6% CWE-502 · Deserialization of untrusted data
8.8CVSS 3.1 base score, v2 6.5
6.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD
Description
Microsoft SharePoint Remote Code Execution Vulnerability
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | Tags |
|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24066 | PatchVendor Advisory |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24066 | PatchVendor Advisory |
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Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
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Source: NIST National Vulnerability Database (record CVE-2021-24066), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.
