CVE-2021-1718
Microsoft SharePoint Server Tampering Vulnerability
HIGH
8
CVSS Score
Published: January 12, 2021 at 07:42 PM UTC
Updated: June 17, 2026 at 03:32 AM UTC
2 products affected across 1 vendorSharePoint ServerSharePoint Foundation
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Severity
HIGH8
Exploit prediction
EPSS 3%
SSVC
No known exploit
Description
Microsoft SharePoint Server Tampering Vulnerability
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
Vendor Advisory
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1718Source: af854a3a-2127-422b-91ae-364da2661108
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1718SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
8HIGHmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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