CISA Adds Seven Known Exploited Vulnerabilities to Catalog

p CISA has added seven new vulnerabilities to its a href= /known-exploited-vulnerabilities-catalog data-entity-type= node data-entity-uuid= 79453b83-86b9-4e2f-b1ec-abf73c6eb291 data-entity-substitution= canonical title= Known Exploited Vulnerabilities Catalog Known Exploited Vulnerabilities (KEV) Catalog /a , based on evidence of active exploitation. /p ul li a href= https://www.cve.org/CVERecord?id=CVE-2008-4250 target= _blank CVE-2008-4250 /a Microsoft Windows Buffer Overflow Vulnerability /li li a href= https://www.cve.org/CVERecord?id=CVE-2009-1537 target= _blank CVE-2009-1537 /a Microsoft DirectX NULL Byte Overwrite Vulnerability /li li a href= https://www.cve.org/CVERecord?id=CVE-2009-3459 target= _blank CVE-2009-3459 /a Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability /li li a href= https://www.cve.org/CVERecord?id=CVE-2010-0249 target= _blank CVE-2010-0249 /a Microsoft Internet Explorer Use-After-Free Vulnerability /li li a href= https://www.cve.org/CVERecord?id=CVE-2010-0806 target= _blank CVE-2010-0806 /a Microsoft Internet Explorer Use-After-Free Vulnerability /li li a href= https://www.cve.org/CVERecord?id=CVE-2026-41091 target= _blank CVE-2026-41091 /a Microsoft Defender Elevation of Privilege Vulnerability /li li a href= https://www.cve.org/CVERecord?id=CVE-2026-45498 target= _blank CVE-2026-45498 /a Microsoft Defender Denial of Service Vulnerability /li /ul p These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise. /p p a href= https://www.cisa.gov/binding-operational-directive-22-01 Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities /a established the KEV Catalog as a living list of known Common Vulnerabilities and Exposures (CVEs) that carry significant risk to the federal enterprise. BOD 22-01 requires Federal Civilian Executive Branch (FCEB) agencies to remediate identified vulnerabilities by the due date to protect FCEB networks against active threats. See the a href= https://www.cisa.gov/sites/default/files/publications/Reducing_the_Significant_Risk_of_Known_Exploited_Vulnerabilities_211103.pdf BOD 22-01 Fact Sheet /a for more information. /p p Although BOD 22-01 only applies to FCEB agencies, CISA strongly urges all organizations to reduce their exposure to cyberattacks by prioritizing timely remediation of a href= /known-exploited-vulnerabilities-catalog data-entity-type= node data-entity-uuid= 79453b83-86b9-4e2f-b1ec-abf73c6eb291 data-entity-substitution= canonical title= Known Exploited Vulnerabilities Catalog KEV Catalog vulnerabilities /a as part of their vulnerability management practice. CISA will continue to add vulnerabilities to the catalog that meet the a href= /known-exploited-vulnerabilities data-entity-type= node data-entity-uuid= f2adba9a-0404-494c-a90c-4363a4a5c934 data-entity-substitution= canonical title= Reducing the Significant Risk of Known Exploited