CVE-2018-8254 — An elevation of privilege vulnerability exists when Microsoft SharePoint Server

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 Project S

01What is this vulnerability?

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 Project Server, Microsoft SharePoint. This CVE ID is unique from CVE-2018-8252.

02Affected products

Vendor	Product	Versions
Microsoft	Microsoft Project Server	2010 Service Pack 2
Microsoft	Microsoft SharePoint	Enterprise Server 2016, Foundation 2013 Service Pack 1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2018-06-14T12:00:00.000Z
• Last modified: 2024-08-05T06:46:13.969Z

09References

• portal.msrc.microsoft.com — https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8254
• www.securitytracker.com — http://www.securitytracker.com/id/1041106
• www.securityfocus.com — http://www.securityfocus.com/bid/104325