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CVE-2017-11775

19
FAUCET Score

CVE-2017-11775 is a cross-site scripting (XSS) vulnerability affecting Microsoft SharePoint Enterprise Server 2013 SP1 and 2016, stemming from improper sanitization of web requests. Rated Medium severity (CVSS 5.4), it requires user interaction and authenticated access (PR:L, UI:R) to achieve partial confidentiality and integrity impact (C:L, I:L). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or KEV listing. Community discussion and media coverage are minimal, with only one article mentioning it in the context of a broader patch release.

Impacted Technologies

VendorProductVersion(s)CPE
2013CPE matchmatch criteria
cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:*
2016CPE matchmatch criteria
cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.4MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.27%
Probability of exploitation in next 30 days
EPSS Percentile
81.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0227 is in the 98th percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Microsoft SharePoint Enterprise Server 2013 Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Microsoft SharePoint Enterprise Server 2016
View patch

Vendor Advisories (1)

microsoft2017-Oct/CVE-2017-11775Important

Microsoft SharePoint Elevation of Privilege Vulnerability

Oct 10, 2017

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2017-11775
PatchVendor Advisory
securityfocus.com / bid/101105
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039540
Third Party AdvisoryVDB Entry