CISA Known Exploited Vulnerabilities (KEV)
CISA's Known Exploited Vulnerabilities (KEV) catalog lists vulnerabilities actively used in real-world attacks. CVEFeed.io tracks the latest additions so you can prioritize remediation as new entries are published.
8.8
CVE-2026-21510 - Microsoft Windows Shell Protection Mechanism Failure Vulnerability -
Action Due Mar 03, 2026 Target Vendor : Microsoft
Description : Microsoft Windows Shell contains a protection mechanism failure vulnerability that could allow an unauthorized attacker to bypass a security feature over a network.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21510 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21510
7.8
CVE-2026-21533 - Microsoft Windows Improper Privilege Management Vulnerability -
Action Due Mar 03, 2026 Target Vendor : Microsoft
Description : Microsoft Windows Remote Desktop Services contains an improper privilege management vulnerability that could allow an authorized attacker to elevate privileges locally.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21533 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21533
7.8
CVE-2026-21519 - Microsoft Windows Type Confusion Vulnerability -
Action Due Mar 03, 2026 Target Vendor : Microsoft
Description : Microsoft Desktop Windows Manager contains a type confusion vulnerability that could allow an authorized attacker to elevate privileges locally.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21519 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21519
7.8
CVE-2026-21514 - Microsoft Office Word Reliance on Untrusted Inputs in a Security Decision Vulnerability -
Action Due Mar 03, 2026 Target Vendor : Microsoft
Description : Microsoft Office Word contains a reliance on untrusted inputs in a security decision vulnerability that could allow an authorized attacker to elevate privileges locally.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21514 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21514
9.8
CVE-2026-24423 - SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability -
Action Due Feb 26, 2026 Target Vendor : SmarterTools
Description : SmarterTools SmarterMail contains a missing authentication for critical function vulnerability in the ConnectToHub API method. This could allow the attacker to point the SmarterMail instance to a malicious HTTP server which serves the malicious OS command and could lead to command execution.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Known Detected Feb 05, 2026
Notes : https://www.smartertools.com/smartermail/release-notes/current ; https://www.cve.org/CVERecord?id=CVE-2026-24423 ; https://nvd.nist.gov/vuln/detail/CVE-2026-24423
9.8
CVE-2025-11953 - React Native Community CLI OS Command Injection Vulnerability -
Action Due Feb 26, 2026 Target Vendor : React Native Community
Description : React Native Community CLI contains an OS command injection vulnerability which could allow unauthenticated network attackers to send POST requests to the Metro Development Server and run arbitrary executables via a vulnerable endpoint exposed by the server. On Windows, attackers can also execute arbitrary shell commands with fully controlled arguments.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://github.com/react-native-community/cli/commit/15089907d1f1301b22c72d7f68846a2ef20df547 ; https://github.com/react-native-community/cli/pull/2735 ; https://nvd.nist.gov/vuln/detail/CVE-2025-11953
9.8
CVE-2019-19006 - Sangoma FreePBX Improper Authentication Vulnerability -
Action Due Feb 24, 2026 Target Vendor : Sangoma
Description : Sangoma FreePBX contains an improper authentication vulnerability that potentially allows unauthorized users to bypass password authentication and access services provided by the FreePBX admin.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://wiki.freepbx.org/display/FOP/2019-11-20%2BRemote%2BAdmin%2BAuthentication%2BBypass ; https://nvd.nist.gov/vuln/detail/CVE-2019-19006
8.6
CVE-2025-64328 - Sangoma FreePBX OS Command Injection Vulnerability -
Action Due Feb 24, 2026 Target Vendor : Sangoma
Description : Sangoma FreePBX Endpoint Manager contains an OS command injection vulnerability that could allow for a post-authentication command injection by an authenticated known user via the testconnection -> check_ssh_connect() function. An attacker can leverage this vulnerability to potentially obtain remote access to the system as an asterisk user.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://github.com/FreePBX/security-reporting/security/advisories/GHSA-vm9p-46mv-5xvw ; https://nvd.nist.gov/vuln/detail/CVE-2025-64328
7.5
CVE-2021-39935 - GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability -
Action Due Feb 24, 2026 Target Vendor : GitLab
Description : GitLab Community and Enterprise Editions contain a server-side request forgery vulnerability which could allow unauthorized external users to perform Server Side Requests via the CI Lint API.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://about.gitlab.com/releases/2021/12/06/security-release-gitlab-14-5-2-released/ ; https://nvd.nist.gov/vuln/detail/CVE-2021-39935
9.8
CVE-2025-40551 - SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability -
Action Due Feb 06, 2026 Target Vendor : SolarWinds
Description : SolarWinds Web Help Desk contains a deserialization of untrusted data vulnerability that could lead to remote code execution, which would allow an attacker to run commands on the host machine. This could be exploited without authentication.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://www.solarwinds.com/trust-center/security-advisories/cve-2025-40551 ; https://nvd.nist.gov/vuln/detail/CVE-2025-40551
9.8
CVE-2026-1281 - Ivanti Endpoint Manager Mobile (EPMM) Code Injection Vulnerability -
Action Due Feb 01, 2026 Target Vendor : Ivanti
Description : Ivanti Endpoint Manager Mobile (EPMM) contains a code injection vulnerability that could allow attackers to achieve unauthenticated remote code execution.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : Please adhere to Ivanti's guidelines to assess exposure and mitigate risks. Check for signs of potential compromise on all internet accessible Ivanti products affected by this vulnerability. Apply any final mitigations provided by the vendor as soon as possible. For more information please: see: https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Endpoint-Manager-Mobile-EPMM-CVE-2026-1281-CVE-2026-1340 ; https://support.mobileiron.com/mi/vsp/AB1771634/ivanti-security-update-1761642-1.0.0S-5.noarch.rpm ; https://support.mobileiron.com/mi/vsp/AB1771634/ivanti-security-update-1761642-1.0.0L-5.noarch.rpm ; https://nvd.nist.gov/vuln/detail/CVE-2026-1281
9.8
CVE-2026-24858 - Fortinet Multiple Products Authentication Bypass Using an Alternate Path or Channel Vulnerability -
Action Due Jan 30, 2026 Target Vendor : Fortinet
Description : Fortinet FortiAnalyzer, FortiManager, FortiOS, and FortiProxy contain an authentication bypass using an alternate path or channel that could allow an attacker with a FortiCloud account and a registered device to log into other devices registered to other accounts, if FortiCloud SSO authentication is enabled on those devices.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : Please adhere to Fortinet's guidelines to assess exposure and mitigate risks. Check for signs of potential compromise on all internet accessible Fortinet products affected by this vulnerability. Apply any final mitigations provided by the vendor as soon as they become available. For more information please see: https://fortiguard.fortinet.com/psirt/FG-IR-26-060 ; https://www.fortinet.com/blog/psirt-blogs/analysis-of-sso-abuse-on-fortios ; https://nvd.nist.gov/vuln/detail/CVE-2026-24858
9.8
CVE-2026-24061 - GNU InetUtils Argument Injection Vulnerability -
Action Due Feb 16, 2026 Target Vendor : GNU
Description : GNU InetUtils contains an argument injection vulnerability in telnetd that could allow for remote authentication bypass via a "-f root" value for the USER environment variable.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://cgit.git.savannah.gnu.org/cgit/inetutils.git ; https://codeberg.org/inetutils/inetutils/commit/ccba9f748aa8d50a38d7748e2e60362edd6a32cc; https://codeberg.org/inetutils/inetutils/commit/fd702c02497b2f398e739e3119bed0b23dd7aa7b ; https://nvd.nist.gov/vuln/detail/CVE-2026-24061
10.0
CVE-2025-52691 - SmarterTools SmarterMail Unrestricted Upload of File with Dangerous Type Vulnerability -
Action Due Feb 16, 2026 Target Vendor : SmarterTools
Description : SmarterTools SmarterMail contains an unrestricted upload of file with dangerous type vulnerability that could allow an unauthenticated attacker to upload arbitrary files to any location on the mail server, potentially enabling remote code execution.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://www.smartertools.com/smartermail/release-notes/current ; https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2025-124/ ; https://nvd.nist.gov/vuln/detail/CVE-2025-52691
7.8
CVE-2026-21509 - Microsoft Office Security Feature Bypass Vulnerability -
Action Due Feb 16, 2026 Target Vendor : Microsoft
Description : Microsoft Office contains a security feature bypass vulnerability in which reliance on untrusted inputs in a security decision in Microsoft Office could allow an unauthorized attacker to bypass a security feature locally. Some of the impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : Please adhere to Microsoft’s recommended guidelines to address this vulnerability. Implement all final mitigations provided by the vendor for Office 2021, and apply the interim corresponding mitigations for Office 2016 and Office 2019 until the final patch becomes available. For more information please see: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21509 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21509
9.8
CVE-2026-23760 - SmarterTools SmarterMail Authentication Bypass Using an Alternate Path or Channel Vulnerability -
Action Due Feb 16, 2026 Target Vendor : SmarterTools
Description : SmarterTools SmarterMail contains an authentication bypass using an alternate path or channel vulnerability in the password reset API. The force-reset-password endpoint permits anonymous requests and fails to verify the existing password or a reset token when resetting system administrator accounts. This could allow an unauthenticated attacker to supply a target administrator username and a new password to reset the account, resulting in full administrative compromise of the SmarterMail instance.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Known Detected Feb 27, 2026
Notes : https://www.smartertools.com/smartermail/release-notes/current ; https://nvd.nist.gov/vuln/detail/CVE-2026-23760
7.8
CVE-2018-14634 - Linux Kernel Integer Overflow Vulnerability -
Action Due Feb 16, 2026 Target Vendor : Linux
Description : Linux Kernel contains an integer overflow vulnerability in the create_elf_tables() function which could allow an unprivileged local user with access to SUID (or otherwise privileged) binary to escalate their privileges on the system.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/about/ ; https://www.kernel.org/ ; https://www.cve.org/CVERecord?id=CVE-2018-14634 ; https://access.redhat.com/errata/RHSA-2018:3540 ; https://nvd.nist.gov/vuln/detail/CVE-2018-14634
9.8
CVE-2024-37079 - Broadcom VMware vCenter Server Out-of-bounds Write Vulnerability -
Action Due Feb 13, 2026 Target Vendor : Broadcom
Description : Broadcom VMware vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol. This could allow a malicious actor with network access to vCenter Server to send specially crafted network packets, potentially leading to remote code execution.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/24453 ; https://nvd.nist.gov/vuln/detail/CVE-2024-37079
9.2
CVE-2025-34026 - Versa Concerto Improper Authentication Vulnerability -
Action Due Feb 12, 2026 Target Vendor : Versa
Description : Versa Concerto SD-WAN orchestration platform contains an improper authentication vulnerability in the Traefik reverse proxy configuration, allowing at attacker to access administrative endpoints. The internal Actuator endpoint can be leveraged for access to heap dumps and trace logs.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://security-portal.versa-networks.com/emailbulletins/6830f94328defa375486ff2e ; https://nvd.nist.gov/vuln/detail/CVE-2025-34026
8.8
CVE-2025-68645 - Synacor Zimbra Collaboration Suite (ZCS) PHP Remote File Inclusion Vulnerability -
Action Due Feb 12, 2026 Target Vendor : Synacor
Description : Synacor Zimbra Collaboration Suite (ZCS) contains a PHP remote file inclusion vulnerability that could allow for remote attackers to craft requests to the /h/rest endpoint to influence internal request dispatching, allowing inclusion of arbitrary files from the WebRoot directory.
Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://wiki.zimbra.com/wiki/Security_Center ; https://nvd.nist.gov/vuln/detail/CVE-2025-68645