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Cybersecurity and Infrastructure Security Agency (CISA)
You are subscribed to Cybersecurity Advisories for Cybersecurity and Infras= tructure Security Agency. This information has recently been updated and is=
now available.
CISA=E2=80=AFReleases New Known Exploited Vulnerability Nomination Form [ h= ttps://www.cisa.gov/known-exploited-vulnerabilities-catalog ] 05/21/2026 11= :00 AM EDT=20
CISA has released a new=E2=80=AFKnown Exploited Vulnerability (KEV) [ https= ://www.cisa.gov/known-exploited-vulnerabilities-catalog/reducing-significan= t-risk-known-exploited-vulnerabilities ]=E2=80=AFNomination=E2=80=AFForm=E2= =80=AFto=E2=80=AFmake it even easier for=E2=80=AForganizations to=E2=80=AFr= eport=E2=80=AFon vulnerabilities that meet the criteria for potential inclu= sion in the=E2=80=AFKEV Catalog [
https://www.cisa.gov/known-exploited-vuln= erabilities-catalog ].=E2=80=AFCISA maintains the catalog,=E2=80=AFan=E2=80= =AFauthoritative source of vulnerabilities that have been exploited in the = wild,=E2=80=AFin support of network defenders and the cybersecurity communi= ty.=E2=80=AF=20
=E2=80=AF=20
The new form is a secure,=E2=80=AFweb-based tool=E2=80=AFthat will=E2=80=AF= improve CISA=E2=80=99s ability to=E2=80=AFintake and analyze reported vulne= rabilities=E2=80=AFand=E2=80=AFensure we continue to=E2=80=AFhelp organizat= ions=E2=80=AFeffectively keep pace with threat activity.=E2=80=AFVulnerabil= ities submitted for potential addition to the catalog must=E2=80=AFhave a= =E2=80=AFCommon Vulnerabilities and Exposures (CVE) [
https://www.cve.org/A= bout/Overview ]=E2=80=AFID, evidence of exploitation, and clear mitigation = guidance.=E2=80=AF
Learn more about the=E2=80=AFcriteria for KEV catalog submissions=E2=80=AFa=
nd CISA=E2=80=99s efforts to=E2=80=AFreduce=E2=80=AFKEV-related risk [ http= s://www.cisa.gov/known-exploited-vulnerabilities-catalog ].
Please share your thoughts with us through this anonymous survey [
https://= cisasurvey.gov1.qualtrics.com/jfe/form/SV_9n4TtB8uttUPaM6?Source=3DGovDeliv= ery
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This product is provided subject to this Notification [
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<title> =E2=80=8B=E2=80=8BCISA=E2=80=AFReleases New Known Exploited Vuln= erability Nomination Form
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<p>You are subscribed to Cybersecurity Advisories for Cybersecurity and I= nfrastructure Security Agency. This information has recently been updated a=
nd is now available.</p>
<div class=3D"rss_title" style=3D"font-weight: bold; font-size: 120%; margi=
n: 0 0 0.3em; padding: 0;"><a href=3D"
https://www.cisa.gov/known-exploited-= vulnerabilities-catalog" target=3D"_blank" title=3D"CISA=E2=80=AFReleases N=
ew Known Exploited Vulnerability Nomination Form" rel=3D"noopener">CISA=E2= =80=AFReleases New Known Exploited Vulnerability Nomination Form</a></div>
<div class=3D"rss_pub_date" style=3D"font-size: 90%; font-style: italic; co= lor: #666666; margin: 0 0 0.3em; padding: 0;">05/21/2026 11:00 AM EDT</div> <p>CISA has released a new=E2=80=AF<a href=3D"
https://www.cisa.gov/known-ex= ploited-vulnerabilities-catalog/reducing-significant-risk-known-exploited-v= ulnerabilities" target=3D"_blank" title=3D"Known Exploited Vulnerability (K= EV)" rel=3D"noopener">Known Exploited Vulnerability (KEV)</a>=E2=80=AFNomin= ation=E2=80=AFForm=E2=80=AFto=E2=80=AFmake it even easier for=E2=80=AForgan= izations to=E2=80=AFreport=E2=80=AFon vulnerabilities that meet the criteri=
a for potential inclusion in the=E2=80=AF<a href=3D"
https://www.cisa.gov/kn= own-exploited-vulnerabilities-catalog" target=3D"_blank" title=3D"KEV Catal= og" rel=3D"noopener">KEV Catalog</a>.=E2=80=AFCISA maintains the catalog,= =E2=80=AFan=E2=80=AFauthoritative source of vulnerabilities that have been = exploited in the wild,=E2=80=AFin support of network defenders and the cybe= rsecurity community.=E2=80=AF <br>=E2=80=AF <br>The new form is a secure,= =E2=80=AFweb-based tool=E2=80=AFthat will=E2=80=AFimprove CISA=E2=80=99s ab= ility to=E2=80=AFintake and analyze reported vulnerabilities=E2=80=AFand=E2= =80=AFensure we continue to=E2=80=AFhelp organizations=E2=80=AFeffectively = keep pace with threat activity.=E2=80=AFVulnerabilities submitted for poten= tial addition to the catalog must=E2=80=AFhave a=E2=80=AF<a href=3D"https:/= /www.cve.org/About/Overview" target=3D"_blank" title=3D"Common Vulnerabilit= ies and Exposures (CVE)" rel=3D"noopener">Common Vulnerabilities and Exposu= res (CVE)</a>=E2=80=AFID, evidence of exploitation, and clear mitigation gu= idance.=E2=80=AF</p>
<p>Learn more about the=E2=80=AFcriteria for KEV catalog submissions=E2=80= =AFand CISA=E2=80=99s efforts to=E2=80=AF<a href=3D"
https://www.cisa.gov/kn= own-exploited-vulnerabilities-catalog" target=3D"_blank" title=3D"reduce=E2= =80=AFKEV-related risk" rel=3D"noopener">reduce=E2=80=AFKEV-related risk</a= >.</p>
<p>Please share your thoughts with us through this <a href=3D"
https://cisas= urvey.gov1.qualtrics.com/jfe/form/SV_9n4TtB8uttUPaM6?Source=3DGovDeliveryht= tps://cisasurvey.gov1.qualtrics.com/jfe/form/SV_1Zwu52kgK2OYf3w" target=3D"= _blank" title=3D"anonymous survey" rel=3D"noopener">anonymous survey</a>. W=
e appreciate your feedback.</p>
<p>This product is provided subject to this <a href=3D"
https://www.cisa.gov= /notification" target=3D"_blank" title=3D"Notification" rel=3D"noopener">No= tification</a> and this <a href=3D"
https://www.cisa.gov/privacy-policy" tar= get=3D"_blank" title=3D"Privacy & Use" rel=3D"noopener">Privacy & U= se</a> policy.=C2=A0</p>
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