CVE-2017-0145: Windows SMB Remote Code Execution (EternalBlue)
Summary
SMBv1 server in Microsoft Windows allows remote code execution via crafted packets (WannaCry / EternalBlue).
Why It Matters
CRITICAL severity — known to be exploited in the wild（CISA KEV）；action required: Apply updates per vendor instructions. ；affects Microsoft Windows XP, Windows 7, Windows Server 2008.
Current Status
- Vulnerability status: Known exploited (CISA KEV)
- Last intelligence update: 2026-10-27 · source: NVD
- CISA KEV added: 2022-02-10 · remediation deadline: 2022-08-10
Entity Activity Timeline
- 2022-02-10 — Added to CISA KEV as known-exploited · action: Apply updates per vendor instructions.
- 2017-03-17 — NVD publication / disclosure
- 2026-10-27 — Intelligence record updated（NVD sync）
Severity
CRITICAL
CVSS Score: 8.1
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Known Exploited (CISA KEV)
Known Exploited Vulnerability
Added: 2022-02-10 · Remediation deadline: 2022-08-10
Apply updates per vendor instructions.
Source Attribution
Source: NVD · Updated: 2026-10-27T00:00:00.000 · Confidence: high
Impact
Based on CVSS vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H — assess confidentiality, integrity, and availability impact via the official vector documentation.
Affected Software
- Microsoft Windows XP (Unknown)
- Windows 7 (Unknown)
- Windows Server 2008 (Unknown)
Fix
Upgrade affected software to the fixed version identified above. Apply vendor patches and monitor advisories before exposed systems go unpatched.
Sources & Evidence
Export threat intelligence
Download an OASIS STIX 2.1 threat-intelligence bundle (JSON) for MISP / OpenCTI / TAXII import
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