How severe is CVE-2017-0148?

CVE-2017-0148 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-0148 being actively exploited?

Yes. CVE-2017-0148 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-04-06, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2017-0148?

CVE-2017-0148 primarily affects Microsoft Server Message Block. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-0148?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2017-0148 have an EU (EUVD) identifier?

Yes. CVE-2017-0148 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-0515. It is also flagged as exploited in the EUVD (since 2022-04-06).

When was CVE-2017-0148 published?

CVE-2017-0148 was published on 2017-03-17 and last updated on 2026-06-17.

CVE-2017-0148

CVE-2017-0148 is a high-severity vulnerability in Microsoft Server Message Block with a CVSS 3.x base score of 8.1. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-04-06). The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 9.3
EPSS exploit prediction: 99% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2022-04-06)
EU (EUVD) id: EUVD-2017-0515
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-04-06)
Weakness: CWE-20
Affected product: Microsoft Server Message Block
Published: 2017-03-17
Last modified: 2026-06-17

Description

The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to execute arbitrary code via crafted packets, aka "Windows SMB Remote Code Execution Vulnerability." This vulnerability is different from those described in CVE-2017-0143, CVE-2017-0144, CVE-2017-0145, and CVE-2017-0146.

Frequently asked questions

What is CVE-2017-0148?: The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to execute arbitrary code via crafted packets, aka "Windows SMB Remote Code Execution Vulnerability." This vulnerability is different from those described in CVE-2017-0143, CVE-2017-0144, CVE-2017-0145, and CVE-2017-0146.
How severe is CVE-2017-0148?: CVE-2017-0148 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-0148 being actively exploited?: Yes. CVE-2017-0148 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-04-06, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2017-0148?: CVE-2017-0148 primarily affects Microsoft Server Message Block. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-0148?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2017-0148 have an EU (EUVD) identifier?: Yes. CVE-2017-0148 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-0515. It is also flagged as exploited in the EUVD (since 2022-04-06).
When was CVE-2017-0148 published?: CVE-2017-0148 was published on 2017-03-17 and last updated on 2026-06-17.

References

Affected products (16)

cpe:2.3:a:microsoft:server_message_block:1.0:*:*:*:*:*:*:*
cpe:2.3:o:siemens:acuson_p300_firmware:13.02:*:*:*:*:*:*:*
cpe:2.3:o:siemens:acuson_p300_firmware:13.03:*:*:*:*:*:*:*
cpe:2.3:o:siemens:acuson_p300_firmware:13.20:*:*:*:*:*:*:*
cpe:2.3:o:siemens:acuson_p300_firmware:13.21:*:*:*:*:*:*:*
cpe:2.3:o:siemens:acuson_p500_firmware:va10:*:*:*:*:*:*:*
cpe:2.3:o:siemens:acuson_p500_firmware:vb10:*:*:*:*:*:*:*
cpe:2.3:o:siemens:acuson_sc2000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:acuson_sc2000_firmware:5.0a:*:*:*:*:*:*:*
cpe:2.3:o:siemens:acuson_x700_firmware:1.0:*:*:*:*:*:*:*
cpe:2.3:o:siemens:acuson_x700_firmware:1.1:*:*:*:*:*:*:*
cpe:2.3:o:siemens:syngo_sc2000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:syngo_sc2000_firmware:5.0a:*:*:*:*:*:*:*
cpe:2.3:o:siemens:tissue_preparation_system_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:versant_kpcr_molecular_system_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:versant_kpcr_sample_prep_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Microsoft Server Message Block

CVE-2017-0146 — High (CVSS 8.8): The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1;…
CVE-2017-0145 — High (CVSS 8.8): The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1;…
CVE-2017-0144 — High (CVSS 8.8): The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1;…
CVE-2017-0143 — High (CVSS 8.8): The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1;…

All CVEs affecting Microsoft Server Message Block →

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