Which products and versions are affected by CVE-2023-24950?

Affected: Sharepoint Enterprise Server (Microsoft) versions 2016; Sharepoint Server (Microsoft) versions 2019; Microsoft SharePoint Enterprise Server 2016 versions >= 16.0.0, among others. The full list is in the CVE brief.

Is CVE-2023-24950 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2023-24950 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2023-24950?

No public exploit code is known.

How urgently should CVE-2023-24950 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2023-24950

Medium

Microsoft SharePoint Server Spoofing Vulnerability

Published May 9, 2023 · Updated Jul 10, 2025

Key Facts

Patch immediately

CVE-2023-24950 is a medium-severity vulnerability (CVSS 6.5 v3.1) affecting Sharepoint Enterprise Server (Microsoft), Sharepoint Server (Microsoft), Microsoft SharePoint Enterprise Server 2016 and 2 more products.
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 67% probability of exploitation in the next 30 days.
Fixed versions are available, including Microsoft SharePoint Enterprise Server 2016 16.0.5395.1000, Microsoft SharePoint Server 2019 16.0.10398.20000, Microsoft SharePoint Server Subscription Edition 16.0.16130.20420.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

6.5

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS (30-day exploit likelihood)

67%

Higher than 99.3% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2023-24950 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Microsoft SharePoint Server Spoofing Vulnerability

Affected Products

6 affected entries in total

Product	Affected versions	Fixed in
Sharepoint Enterprise ServerMicrosoft	2016	n/a
Sharepoint ServerMicrosoft	2019	n/a
Microsoft SharePoint Enterprise Server 2016	>= 16.0.0	16.0.5395.1000
Microsoft SharePoint Server 2019	>= 16.0.0	16.0.10398.20000
Microsoft SharePoint Server Subscription Edition	>= 16.0.0	16.0.16130.20420

Patched Releases

Microsoft SharePoint Enterprise Server 2016

16.0.5395.1000

Microsoft SharePoint Server 2019

16.0.10398.20000

Microsoft SharePoint Server Subscription Edition

16.0.16130.20420

Timeline

Publicly disclosed
May 9, 2023
Last updated
Jul 10, 2025

Weakness Type

CWE-20 Improper Input Validation

References

patchMicrosoft SharePoint Server Spoofing Vulnerability

FAQ

Common Questions.

Microsoft SharePoint Server Spoofing Vulnerability
Affected: Sharepoint Enterprise Server (Microsoft) versions 2016; Sharepoint Server (Microsoft) versions 2019; Microsoft SharePoint Enterprise Server 2016 versions >= 16.0.0, among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Microsoft SharePoint Enterprise Server 2016 16.0.5395.1000, Microsoft SharePoint Server 2019 16.0.10398.20000, Microsoft SharePoint Server Subscription Edition 16.0.16130.20420.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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