CVE-2018-8156

Name: CVE-2018-8156
Creator: NVD / NIST
Published: 2018-05-09T19:29:02.387+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.62%

Last modified Jun 17, 2026

CVE-2018-8156 is a vulnerability of currently unknown severity. An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka "Microsoft SharePoint Elevation of Privilege Vulnerability." This affects Microsoft SharePoint, Microsoft Project Server. This CVE ID is unique from CVE-2018-8149, CVE-2018-8155, CVE-2018-8168.. EPSS estimates a 2.62% chance of exploitation in the next 30 days.

Description

An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka "Microsoft SharePoint Elevation of Privilege Vulnerability." This affects Microsoft SharePoint, Microsoft Project Server. This CVE ID is unique from CVE-2018-8149, CVE-2018-8155, CVE-2018-8168.

Metrics

EPSS Probability

2.62%

83.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions	Update
Microsoft	Project Server	2010	Sp2
Microsoft	Project Server	2013	Sp1
Microsoft	Sharepoint Server	2016	—

References

http://www.securityfocus.com/bid/104048Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040856Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8156Patch, Vendor Advisory
http://www.securityfocus.com/bid/104048Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040856Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8156Patch, Vendor Advisory

Timeline

Published: May 9, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-8156?

How severe is CVE-2018-8156?

Severity scoring for CVE-2018-8156 is pending analysis. The EPSS model estimates a 2.62% probability of exploitation in the next 30 days.

How do I fix CVE-2018-8156?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-8156?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST