Apr 01, 2026 • CISA
CISA Adds One Known Exploited Vulnerability to Catalog
CISA has added CVE-2026-5281, a Use-After-Free vulnerability in Google Dawn, to its Known Exploited Vulnerabilities (KEV) Catalog based on evidence of active...
Executive Summary
CISA has added CVE-2026-5281, a Use-After-Free vulnerability in Google Dawn, to its Known Exploited Vulnerabilities (KEV) Catalog based on evidence of active exploitation. This vulnerability type represents a frequent attack vector for malicious cyber actors and poses significant risks to federal enterprises. Under Binding Operational Directive (BOD) 22-01), Federal Civilian Executive Branch (FCEB) agencies must remediate identified vulnerabilities by specified due dates. Although BOD 22-01 applies only to FCEB agencies, CISA strongly urges all organizations to prioritize timely remediation of KEV Catalog vulnerabilities as part of their vulnerability management practice to reduce exposure to cyberattacks.
Summary
CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-5281 Google Dawn Use-After-Free Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal enterprise. Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities 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 BOD 22-01 Fact Sheet for more information. 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 KEV Catalog vulnerabilities as part of their vulnerability management practice. CISA will continue to add vulnerabilities to the catalog that meet the specified criteria .
Published Analysis
CISA has added CVE-2026-5281, a Use-After-Free vulnerability in Google Dawn, to its Known Exploited Vulnerabilities (KEV) Catalog based on evidence of active exploitation. This vulnerability type represents a frequent attack vector for malicious cyber actors and poses significant risks to federal enterprises. Under Binding Operational Directive (BOD) 22-01), Federal Civilian Executive Branch (FCEB) agencies must remediate identified vulnerabilities by specified due dates. Although BOD 22-01 applies only to FCEB agencies, CISA strongly urges all organizations to prioritize timely remediation of KEV Catalog vulnerabilities as part of their vulnerability management practice to reduce exposure to cyberattacks. CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-5281 Google Dawn Use-After-Free Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal enterprise. Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities 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 BOD 22-01 Fact Sheet for more information. 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 KEV Catalog vulnerabilities as part of their vulnerability management practice. CISA will continue to add vulnerabilities to the catalog that meet the specified criteria . CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-5281 Google Dawn Use-After-Free Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal enterprise. Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities 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 BOD 22-01 Fact Sheet for more information. 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 KEV Catalog vulnerabilities as part of their vulnerability management practice. CISA will continue to add vulnerabilities to the catalog that meet the specified criteria .
Linked Entities
- CVE-2026-5281