CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added CVE-2026-3502, a vulnerability affecting TrueConf Client, to its Known Exploited Vulnerabilities (KEV) Catalog due to evidence of active exploitation. The flaw involves downloading code without integrity verification, enabling threat actors to potentially inject malicious code during software update processes. This vulnerability represents a significant risk to federal networks and organizations using TrueConf Client. CISA has issued Binding Operational Directive BOD 22-01, mandating that Federal Civilian Executive Branch agencies remediate the vulnerability by the specified deadline. While the directive applies to FCEB agencies, CISA strongly recommends all organizations prioritize timely patching of this vulnerability as part of their vulnerability management practices 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-2026-3502 TrueConf Client Download of Code Without Integrity Check 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 CVE-2026-3502, a vulnerability affecting TrueConf Client, to its Known Exploited Vulnerabilities (KEV) Catalog due to evidence of active exploitation. The flaw involves downloading code without integrity verification, enabling threat actors to potentially inject malicious code during software update processes. This vulnerability represents a significant risk to federal networks and organizations using TrueConf Client. CISA has issued Binding Operational Directive BOD 22-01, mandating that Federal Civilian Executive Branch agencies remediate the vulnerability by the specified deadline. While the directive applies to FCEB agencies, CISA strongly recommends all organizations prioritize timely patching of this vulnerability as part of their vulnerability management practices 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-2026-3502 TrueConf Client Download of Code Without Integrity Check 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-2026-3502 TrueConf Client Download of Code Without Integrity Check 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 .