CVE-2023-28288

Microsoft SharePoint Server Spoofing Vulnerability

HIGH
8.1
CVSS Score
Published: April 11, 2023 at 07:13 PM UTC
Updated: June 17, 2026 at 05:47 AM UTC
6 products affected across 1 vendorSharePoint ServerSharePoint FoundationSharePoint Server 2019

Using Microsoft SharePoint Enterprise Server 2016 by Microsoft?

Get instant alerts when new vulnerabilities affect Microsoft SharePoint Enterprise Server 2016 - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH8.1
Exploit prediction
EPSS 6%
SSVC
No known exploit

Description

Microsoft SharePoint Server Spoofing Vulnerability

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

15.0.0 ≤ v < 15.0.5545.100015.0.02013 sp1
Affected range stops below 15.0.5545.1000, so it looks safe — our inference, not a vendor statement
15.0.0 ≤ v < 15.0.5545.100016.0.0 ≤ v < 16.0.10397.2000216.0.0 ≤ v < 16.0.16130.2031416.0.0 ≤ v < 16.0.5391.10002013 sp120162019
Affected range stops below 15.0.5545.1000, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.10397.20002, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.16130.20314, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.5391.1000, so it looks safe — our inference, not a vendor statement
15.0.0 ≤ v < 15.0.5545.100015.0.0
Affected range stops below 15.0.5545.1000, so it looks safe — our inference, not a vendor statement
16.0.0 ≤ v < 16.0.5391.100016.0.0
Affected range stops below 16.0.5391.1000, so it looks safe — our inference, not a vendor statement
16.0.0 ≤ v < 16.0.10397.2000216.0.0
Affected range stops below 16.0.10397.20002, so it looks safe — our inference, not a vendor statement
16.0.0 ≤ v < 16.0.16130.2031416.0.0
Affected range stops below 16.0.16130.20314, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-918NVD-CWE-noinfo

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card