Home › Exploited CVEs › CVE-2020-1350
CVE-2020-1350: Microsoft Windows DNS Server Remote Code Execution Vulnerability
Microsoft Windows · in CISA KEV since 2021-11-03
2021-11-03added to KEV
2022-05-03federal remediation due date
91.35%EPSS exploit probability (30 days) 99.8th percentile
10 CRITICALCVSS 3.1
Unknownknown ransomware use
477days from NVD publication to KEV
What it is
Microsoft Windows DNS Servers fail to properly handle requests, allowing an attacker to perform remote code execution in the context of the Local System Account. The vulnerability is also known under the moniker of SIGRed.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | CWE-20 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD published | 2020-07-14 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2020-1350.json · all KEV CVEs
Kevscope: daily CISA KEV + EPSS datasetThe whole KEV catalog joined with daily EPSS and CVSS scores as CSV/Parquet, refreshed daily. Free to download.
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.
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.