Microsoft Windows DNS Server Remote Code Execution Vulnerability

CRITICAL 10.0EXPLOITED (CISA KEV)CVE-2020-1350 · Published 14/07/2020 · updated 17/06/2026

Microsoft Windows DNS Server Remote Code Execution Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 03/11/2021. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
Windows Microsoft	Versions not published yet (product named by CISA KEV)

Description

A remote code execution vulnerability exists in Windows Domain Name System servers when they fail to properly handle requests, aka 'Windows DNS Server Remote Code Execution Vulnerability'.

References

packetstormsecurity.com/files/158484/SIGRed-Windows-DNS-Denial-Of-Service.html · Third Party Advisory
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1350 · Patch
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2020-1350

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