CVE-2017-0143The 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;…
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It affects Microsoft Corporation Windows SMB and 10 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Nov 3, 2021; federal agencies had to remediate by May 3, 2022, and it is known to be used in ransomware. Treat that date as your deadline.
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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-2017-0144, CVE-2017-0145, CVE-2017-0146, and CVE-2017-0148.
- CVSS
- 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Added to CISA KEV Nov 3, 2021; federal remediation due May 3, 2022; known ransomware useApply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 93.31% (percentile 100)
- Assigned by
- microsoft
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Microsoft Corporation Windows SMB microsoft:windows_smb (from the name) | 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 | CNA record |
microsoft server_message_block microsoft:server_message_block | 1.0 | NVD |
philips intellispace_portal philips:intellispace_portal | 7.0; 8.0 | NVD |
siemens acuson_p300_firmware siemens:acuson_p300_firmware | 13.02; 13.03; 13.20; 13.21 | NVD |
siemens acuson_p500_firmware siemens:acuson_p500_firmware | va10; vb10 | NVD |
siemens acuson_sc2000_firmware siemens:acuson_sc2000_firmware | from 4.0 before 4.0e; 5.0a | NVD |
siemens acuson_x700_firmware siemens:acuson_x700_firmware | 1.0; 1.1 | NVD |
siemens syngo_sc2000_firmware siemens:syngo_sc2000_firmware | from 4.0 before 4.0e; 5.0a | NVD |
siemens tissue_preparation_system_firmware siemens:tissue_preparation_system_firmware | all versions | NVD |
siemens versant_kpcr_molecular_system_firmware siemens:versant_kpcr_molecular_system_firmware | all versions | NVD |
siemens versant_kpcr_sample_prep_firmware siemens:versant_kpcr_sample_prep_firmware | all versions | NVD |
References
- https://www.exploit-db.com/exploits/41891/exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
- http://www.securityfocus.com/bid/96703vdb-entry, x-refsource-bid, broken-link, third-party-advisory
- http://www.securitytracker.com/id/1037991vdb-entry, x-refsource-sectrack, broken-link, third-party-advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-701903.pdfx-refsource-confirm, third-party-advisory
- https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02x-refsource-misc, third-party-advisory, us-government-resource
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0143x-refsource-confirm, patch, vendor-advisory
- https://www.exploit-db.com/exploits/41987/exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-966341.pdfx-refsource-confirm, third-party-advisory
- https://www.exploit-db.com/exploits/43970/exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
- http://packetstormsecurity.com/files/154690/DOUBLEPULSAR-Payload-Execution-Neutralization.htmlx-refsource-misc, exploit, third-party-advisory, vdb-entry
- http://packetstormsecurity.com/files/156196/SMB-DOUBLEPULSAR-Remote-Code-Execution.htmlx-refsource-misc, exploit, third-party-advisory, vdb-entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0143us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.