How severe is CVE-2022-34715?

CVE-2022-34715 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-34715 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 80% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34715?

CVE-2022-34715 affects Microsoft Windows Server 2022. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-34715?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-34715 published?

CVE-2022-34715 was published on 2022-08-09 and last updated on 2026-06-17.

CVE-2022-34715

CVE-2022-34715 is a critical-severity vulnerability in Microsoft Windows Server 2022 with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 80% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 80% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Microsoft Windows Server 2022
Published: 2022-08-09
Last modified: 2026-06-17

Description

Windows Network File System Remote Code Execution Vulnerability

Frequently asked questions

What is CVE-2022-34715?: Windows Network File System Remote Code Execution Vulnerability
How severe is CVE-2022-34715?: CVE-2022-34715 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-34715 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 80% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34715?: CVE-2022-34715 affects Microsoft Windows Server 2022. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-34715?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-34715 published?: CVE-2022-34715 was published on 2022-08-09 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-34715

Affected products (1)

cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*

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