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CVE-2020-0796: Microsoft SMBv3 Remote Code Execution Vulnerability
Microsoft SMBv3 · in CISA KEV since 2022-02-10
2022-02-10added to KEV
2022-08-10federal remediation due date
99.81%EPSS exploit probability (30 days) 100.0th percentile
10 CRITICALCVSS 3.1
Knownknown ransomware use
700days from NVD publication to KEV
What it is
A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests. An attacker who successfully exploited the vulnerability could gain the ability to execute code on the target server or client.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | CWE-119 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD published | 2020-03-12 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2020-0796.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.