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Fencer Vulns
medium 6.5

CVE-2019-0956 json

An information disclosure vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request…

published 2019-05-16 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-1691

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.2%
EPSS 5.2% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

An information disclosure vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka 'Microsoft SharePoint Server Information Disclosure Vulnerability'.

Patch / fix

Exploit prediction

5.23% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

  • Microsoft Microsoft SharePoint Foundation
  • Microsoft Microsoft SharePoint Enterprise Server

Classification

Weakness
  • CWE-116 Improper Encoding or Escaping of Output

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.