CVE-2018-8156 json
An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request…
published 8y ago modified 4mo ago also EUVD-2018-19827
- cvss
- 5.4
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.8%
- EPSS 2.8% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Is CVE-2018-8156 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
2.80% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.4 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Affected products
- Microsoft Microsoft SharePoint
- Microsoft Microsoft Project Server
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8156
patch, vendor-advisory
-
securitytracker.com
/id/1040856
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/104048
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-8156
- NVD CVE-2018-8156
Fencer Intel 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.