A spoofing vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected…

published 2019-05-16 7y ago modified 2026-06-17 4mo ago also EUVD-2019-1684

cvss: 5.7; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.5%; EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits: 0; none known

A spoofing vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka 'Microsoft SharePoint Spoofing Vulnerability'. This CVE ID is unique from CVE-2019-0950, CVE-2019-0951.

Patch / fix

links 1

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0949 advisory

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Exploit prediction

2.46% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	5.7	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

Microsoft Microsoft SharePoint Foundation
Microsoft Microsoft SharePoint Enterprise Server

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2019-0949
patch, vendor-advisory

Sources

CVE List CVE-2019-0949
NVD CVE-2019-0949

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