PULSE
ESPT
FEED
ransomqilin reclama a Kayaku Safety Systems Malaysia Sdn Bhd · MY · Manufacturingransomscarlettgroup reclama a fittleworth.com · GB · Retail & E-Commerceransombarracuda reclama a FINSA · ES · Financial Servicesransomnetrunner reclama a F***** G****** C********** C*** · USransomendzone reclama a Momentum Telecom · Technologyransomendzone reclama a Absolute Bail Bonds · US · Financial Servicesransomeverest reclama a Grundbaulabor Trier GmbH · DE · Manufacturingransomnetrunner reclama a I****** A***** · KWransominterlock reclama a K&A Industries · USransomeverest reclama a Final Notice Before Publication · Otherransompanzer reclama a RE/MAX Germany · DE · Professional Servicesransomcurious worm reclama a i*t*r***t.com · Technologyransomcurious worm reclama a t**a.comransomplay reclama a Frey Properties of Highland LLC · US · Retail & E-Commerceransomqilin reclama a Kayaku Safety Systems Malaysia Sdn Bhd · MY · Manufacturingransomscarlettgroup reclama a fittleworth.com · GB · Retail & E-Commerceransombarracuda reclama a FINSA · ES · Financial Servicesransomnetrunner reclama a F***** G****** C********** C*** · USransomendzone reclama a Momentum Telecom · Technologyransomendzone reclama a Absolute Bail Bonds · US · Financial Servicesransomeverest reclama a Grundbaulabor Trier GmbH · DE · Manufacturingransomnetrunner reclama a I****** A***** · KWransominterlock reclama a K&A Industries · USransomeverest reclama a Final Notice Before Publication · Otherransompanzer reclama a RE/MAX Germany · DE · Professional Servicesransomcurious worm reclama a i*t*r***t.com · Technologyransomcurious worm reclama a t**a.comransomplay reclama a Frey Properties of Highland LLC · US · Retail & E-Commerce
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CVE WatchAug 19, 2026

CVE-2021-27063

Windows DNS Server Denial of Service Vulnerability

CVSS

7.5

High

EPSS

6.7%

p94

KEV

—

Exploit Today

28

0-100

Published: Mar 11, 2021 · Last modified: Aug 19, 2026

EPSS · 30d
6.7%EPSS · 30 days6.7%
2026-10-172026-11-13
Technical description

Windows DNS Server Denial of Service Vulnerability

Official references
Related CVEs

No related CVEs by CWE or product.