Important CVSS 4.1 EPSS 0.00883 2020-10 archive

Executive Summary

An information disclosure vulnerability exists when Microsoft SharePoint Server improperly discloses its folder structure when rendering specific web pages. An attacker who took advantage of this information disclosure could view the folder path of scripts loaded on the page. To take advantage of the vulnerability, an attacker would require access to the specific SharePoint page affected by this vulnerability. The security update addresses the vulnerability by correcting how scripts are referenced on some SharePoint pages.

Overview

4.1
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Information Disclosure
Released Oct 13 2020
Last Updated Oct 13 2020
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00883 — 0.54427 percentile

CVSS Vector

ATTACK VECTOR
Local
ATTACK COMPLEXITY
High
PRIVILEGES REQUIRED
High
USER INTERACTION
None
SCOPE
Unchanged
Temporal Score: 3.7

EPSS Score

0.00883
probability of exploitation in the next 30 days
0.54427 percentile - updated 2026-06-20
View on FIRST.org

Affected Products

4 affected products
Product KB Article Severity Impact Restart Required
Microsoft SharePoint Enterprise Server 2016 4486677 (Security Update) Important Information Disclosure Maybe
Microsoft SharePoint Foundation 2010 Service Pack 2 4486708 (Security Update) Important Information Disclosure Maybe
Microsoft SharePoint Foundation 2013 Service Pack 1 4486694 (Security Update) Important Information Disclosure Maybe
Microsoft SharePoint Server 2019 4486676 (Security Update) Important Information Disclosure Maybe

Patches

4 patches
Article Type Restart
4486677 Security Update Maybe
4486708 Security Update Maybe
4486694 Security Update Maybe
4486676 Security Update Maybe

Known Exploits

Acknowledgments

Markus Wulftange (@mwulftange)