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CVE-2022-34715VulnerabilityPublished Updated

CVE-2022-34715: Microsoft Windows Server 2022 · Remote Code Execution

Affects Microsoft Windows Server 2022Source CVE Database V5

0

Not known to be exploited · 80% EPSS · CVSS 9.8 Critical.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
80.8% chance of exploitation in 30 days – higher than 99% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Aug 2022

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
Microsoft Windows Server 2022Affected
  • =10.0.20348.0
Fixed in–

AI-suggested

Given the critical nature of CVE-2022-34715, European organizations should take immediate and specific actions beyond generic patching advice. First, verify the deployment of Windows Server 2022 version 10.0.20348.0 within the environment and prioritize these systems for remediation. Since no patches are currently linked in the provided data, organizations should monitor Microsoft’s official security advisories closely and apply updates as soon as they become available. In the interim, restrict network access to the NFS service by implementing strict firewall rules limiting access to trusted hosts and networks only. Employ network segmentation to isolate critical servers running Windows Server 2022 from less secure network zones. Enable and enforce logging and monitoring of NFS-related activities to detect anomalous behavior indicative of exploitation attempts. Consider deploying intrusion detection/prevention systems (IDS/IPS) with signatures targeting suspicious NFS traffic. Additionally, review and harden server configurations to minimize the attack surface, disabling unnecessary services and enforcing the principle of least privilege. Conduct vulnerability scanning and penetration testing focused on NFS services to identify exposure. Finally, develop and test incident response plans tailored to potential exploitation scenarios of this vulnerability.

Description

Windows Network File System Remote Code Execution Vulnerability

References

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