CVE-2023-24941
CriticalWindows Network File System Remote Code Execution Vulnerability
Published May 9, 2023 · Updated Jul 10, 2025
Key Facts
Patch immediately- CVE-2023-24941 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Windows Server 2012 (Microsoft), Windows Server 2016 (Microsoft), Windows Server 2019 (Microsoft) and 6 more products.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 95% probability of exploitation in the next 30 days.
- Fixed versions are available, including Windows Server 2012 6.2.9200.24266, Windows Server 2012 (Server Core installation) 6.2.9200.24266, Windows Server 2012 R2 6.3.9600.20969.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
95%
Higher than 99.8% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
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Description
Windows Network File System Remote Code Execution Vulnerability
Affected Products
14 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2012Microsoft | r2, >= 6.2.9200.0 | 6.2.9200.24266 |
| Windows Server 2016Microsoft | >= 10.0.14393.0 | 10.0.14393.5921 |
| Windows Server 2019Microsoft | >= 10.0.17763.0 | 10.0.17763.4377 |
| Windows Server 2022Microsoft | >= 10.0.20348.0 | 10.0.20348.1726 |
| Windows Server 2012 R2 | >= 6.3.9600.0 | 6.3.9600.20969 |
Patched Releases
Windows Server 2012
6.2.9200.24266
Windows Server 2012 (Server Core installation)
6.2.9200.24266
Windows Server 2012 R2
6.3.9600.20969
Windows Server 2012 R2 (Server Core installation)
6.3.9600.20969
Windows Server 2016
10.0.14393.5921
Windows Server 2016 (Server Core installation)
10.0.14393.5921
Windows Server 2019
10.0.17763.4377
Windows Server 2019 (Server Core installation)
10.0.17763.4377
Windows Server 2022
10.0.20348.1726
Timeline
Publicly disclosed
May 9, 2023
Last updated
Jul 10, 2025
Weakness Type
- CWE-908 Use of Uninitialized Resource
References
FAQ
Common Questions.
Windows Network File System Remote Code Execution Vulnerability
Affected: Windows Server 2012 (Microsoft) versions r2, >= 6.2.9200.0; Windows Server 2016 (Microsoft) versions >= 10.0.14393.0; Windows Server 2019 (Microsoft) versions >= 10.0.17763.0, 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 Windows Server 2012 6.2.9200.24266, Windows Server 2012 (Server Core installation) 6.2.9200.24266, Windows Server 2012 R2 6.3.9600.20969.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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