CVE-2022-34715
CriticalPublic exploitWindows Network File System Remote Code Execution Vulnerability
Published Aug 10, 2022 · Updated May 29, 2025
Key Facts
Patch immediately- CVE-2022-34715 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Windows Server 2022 (Microsoft).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 81% probability of exploitation in the next 30 days.
- Fixed versions are available, including Windows Server 2022 10.0.20348.887.
- 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)
81%
Higher than 99.6% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2022-34715 brief as a PDF
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Description
Windows Network File System Remote Code Execution Vulnerability
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2022Microsoft | >= 10.0.20348.0 | 10.0.20348.887 |
Patched Releases
Windows Server 2022
10.0.20348.887
Timeline
Publicly disclosed
Aug 10, 2022
Last updated
May 29, 2025
Weakness Type
- CWE-94 Improper Control of Generation of Code ('Code Injection')
References
- advisoryhttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-34699
- advisoryhttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-35750
- advisoryhttps://isc.sans.edu/diary/rss/28924
- advisoryhttps://patchtuesdaydashboard.com/
- advisoryhttps://us-cert.cisa.gov/
FAQ
Common Questions.
Windows Network File System Remote Code Execution Vulnerability
Affected: Windows Server 2022 (Microsoft) versions >= 10.0.20348.0. 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.
Public exploit code is available.
Fixed versions are available, including Windows Server 2022 10.0.20348.887.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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