A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application p…

published 2020-04-15 6y ago modified 2026-06-17 4mo ago also EUVD-2020-2440

cvss: 8.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 10.7%; EPSS 10.7% chance of exploitation in 30 days, percentile 95%
public exploits: 0; none known

A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0920, CVE-2020-0929, CVE-2020-0931, CVE-2020-0932, CVE-2020-0971.

Patch / fix

links 1

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0974 advisory

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Exploit prediction

10.70% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

Microsoft Microsoft SharePoint Enterprise Server
Microsoft Microsoft SharePoint Server

Classification

Weakness

CWE-434 Unrestricted Upload of File with Dangerous Type

References

portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2020-0974
patch, vendor-advisory

Sources

CVE List CVE-2020-0974
NVD CVE-2020-0974

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