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.
10.0
CVE-2026-48172 - LiteSpeed cPanel Plugin Privilege Escalation Vulnerability -
Action Due May 29, 2026 ( 1 days left ) Target Vendor : LiteSpeed
Description :LiteSpeed cPanel Plugin contains privilege escalation vulnerability that is exposed via the user-end cPanel plugin, which can be abused by any cPanel user account to execute arbitrary scripts with root privileges.
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://blog.litespeedtech.com/2026/05/21/security-update-for-litespeed-cpanel-plugin/ ; https://nvd.nist.gov/vuln/detail/CVE-2026-48172
9.8
CVE-2026-9082 - Drupal Core SQL Injection Vulnerability -
Action Due May 27, 2026 Target Vendor : Drupal
Description :Drupal Core contains a SQL injection vulnerability that could allow for privilege escalation and remote code execution via specially crafted requests sent with the database abstraction 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://www.drupal.org/sa-core-2026-004 ; https://nvd.nist.gov/vuln/detail/CVE-2026-9082
6.7
CVE-2026-34926 - Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability -
Action Due Jun 04, 2026 ( 7 days left ) Target Vendor : Trend Micro
Description :Trend Micro Apex One (on-premise) contains a directory traversal vulnerability that could allow a pre-authenticated local attacker to modify a key table on the server to inject malicious code to deploy to agents on affected installations.
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://success.trendmicro.com/en-US/solution/KA-0023430 ; https://nvd.nist.gov/vuln/detail/CVE-2026-34926
9.4
CVE-2025-34291 - Langflow Origin Validation Error Vulnerability -
Action Due Jun 04, 2026 ( 7 days left ) Target Vendor : Langflow
Description :Langflow contains an origin validation error vulnerability in which an overly permissive CORS configuration combined with a refresh token cookie configured as SameSite=None allows a malicious webpage to perform cross-origin requests that include credentials and successfully call the refresh endpoint. This could allow the attacker to execute arbitrary code and achieve full system compromise via obtained tokens that permit access to authenticated endpoints.
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/langflow-ai/langflow ; https://github.com/langflow-ai/langflow/releases/tag/v1.9.3; https://github.com/langflow-ai/langflow/issues/11465#event-25774545848 ; https://nvd.nist.gov/vuln/detail/CVE-2025-34291
7.5
CVE-2026-45498 - Microsoft Defender Denial of Service Vulnerability -
Action Due Jun 03, 2026 ( 6 days left ) Target Vendor : Microsoft
Description :Microsoft Defender contains an unspecified vulnerability that allows for denial of service.
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/en-US/vulnerability/CVE-2026-45498 ; https://nvd.nist.gov/vuln/detail/CVE-2026-45498
7.8
CVE-2026-41091 - Microsoft Defender Link Following Vulnerability -
Action Due Jun 03, 2026 ( 6 days left ) Target Vendor : Microsoft
Description :Microsoft Defender contains a link following vulnerability that allows 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/en-US/vulnerability/CVE-2026-41091 ; https://nvd.nist.gov/vuln/detail/CVE-2026-41091
9.3
CVE-2010-0806 - Microsoft Internet Explorer Use-After-Free Vulnerability -
Action Due Jun 03, 2026 ( 6 days left ) Target Vendor : Microsoft
Description :Microsoft Internet Explorer contains an use-after-free vulnerability that could allow remote attackers to execute arbitrary code via vectors involving access to an invalid pointer after the deletion of an object. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.
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://learn.microsoft.com/en-us/security-updates/securityadvisories/2010/981374 ; https://nvd.nist.gov/vuln/detail/CVE-2010-0806
9.3
CVE-2010-0249 - Microsoft Internet Explorer Use-After-Free Vulnerability -
Action Due Jun 03, 2026 ( 6 days left ) Target Vendor : Microsoft
Description :Microsoft Internet Explorer contains an use-after-free vulnerability that could allow remote attackers to execute arbitrary code by accessing a pointer associated with a deleted object. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.
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://learn.microsoft.com/en-us/security-updates/SecurityAdvisories/2010/979352 ; https://nvd.nist.gov/vuln/detail/CVE-2010-0249
9.3
CVE-2009-3459 - Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability -
Action Due Jun 03, 2026 ( 6 days left ) Target Vendor : Adobe
Description :Adobe Acrobat and Reader contain a heap-based buffer overflow vulnerability which could allow remote attackers to execute arbitrary code via a crafted PDF file that triggers memory corruption.
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.cisa.gov/news-events/alerts/2009/10/13/adobe-reader-and-acrobat-vulnerabilities ; https://web.archive.org/web/20120324170253/http://www.adobe.com/support/security/bulletins/apsb09-15.html#:~:text=CVE%2D2009%2D3459).-,NOTE%3A,-There%20are%20reports ; https://nvd.nist.gov/vuln/detail/CVE-2009-3459
9.3
CVE-2009-1537 - Microsoft DirectX NULL Byte Overwrite Vulnerability -
Action Due Jun 03, 2026 ( 6 days left ) Target Vendor : Microsoft
Description :Microsoft DirectX contains a NULL byte overwrite vulnerability in the QuickTime Movie Parser Filter in quartz.dll in DirectShow which could allow remote attackers to execute arbitrary code via a crafted QuickTime media file.
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://learn.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-028 ; https://nvd.nist.gov/vuln/detail/CVE-2009-1537
10.0
CVE-2008-4250 - Microsoft Windows Buffer Overflow Vulnerability -
Action Due Jun 03, 2026 ( 6 days left ) Target Vendor : Microsoft
Description :Microsoft Windows contains a buffer overflow vulnerability in the Windows Server Service that allows remote attackers to execute arbitrary code via a crafted RPC request that triggers an overflow during path canonicalization.
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://learn.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-067 ; https://nvd.nist.gov/vuln/detail/CVE-2008-4250
8.1
CVE-2026-42897 - Microsoft Exchange Server Cross-Site Scripting Vulnerability -
Action Due May 29, 2026 ( 1 days left ) Target Vendor : Microsoft
Description :Microsoft Exchange Server contains a cross-site scripting vulnerability during web page generation in Outlook Web Access and when certain interaction conditions are met, arbitrary JavaScript can be executed in the browser context.
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/en-US/vulnerability/CVE-2026-42897 ; https://learn.microsoft.com/en-us/exchange/plan-and-deploy/post-installation-tasks/security-best-practices/exchange-emergency-mitigation-service ; https://nvd.nist.gov/vuln/detail/CVE-2026-42897
10.0
CVE-2026-20182 - Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability -
Action Due May 17, 2026 Target Vendor : Cisco
Description :Cisco Catalyst SD-WAN Controller & Manager contain an authentication bypass vulnerability that allows an unauthenticated, remote attacker to bypass authentication and obtain administrative privileges on an affected system.
Action :Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlined in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s Hunt & Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :CISA Mitigation Instructions: https://www.cisa.gov/news-events/directives/ed-26-03-mitigate-vulnerabilities-cisco-sd-wan-systems ; https://www.cisa.gov/news-events/directives/supplemental-direction-ed-26-03-hunt-and-hardening-guidance-cisco-sd-wan-systems ; https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa2-v69WY2SW ; https://nvd.nist.gov/vuln/detail/CVE-2026-20182
9.8
CVE-2026-42208 - BerriAI LiteLLM SQL Injection Vulnerability -
Action Due May 11, 2026 Target Vendor : BerriAI
Description :BerriAI LiteLLM contains a SQL injection vulnerability that allows an attacker to read data from the proxy's database and potentially modify it, leading to unauthorized access to the proxy and the credentials it manages.
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/BerriAI/litellm/security/advisories/GHSA-r75f-5x8p-qvmc ; https://nvd.nist.gov/vuln/detail/CVE-2026-42208
7.2
CVE-2026-6973 - Ivanti Endpoint Manager Mobile (EPMM) Improper Input Validation Vulnerability -
Action Due May 10, 2026 Target Vendor : Ivanti
Description :Ivanti Endpoint Manager Mobile (EPMM) contains an improper input validation vulnerability that allows a remotely authenticated user with administrative access to achieve 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://hub.ivanti.com/s/article/May-2026-Security-Advisory-Ivanti-Endpoint-Manager-Mobile-EPMM-Multiple-CVEs?language=en_US ; https://nvd.nist.gov/vuln/detail/CVE-2026-6973
9.8
CVE-2026-0300 - Palo Alto Networks PAN-OS Out-of-bounds Write Vulnerability -
Action Due May 09, 2026 Target Vendor : Palo Alto Networks
Description :Palo Alto Networks PAN-OS contains an out-of-bounds write vulnerability in the User-ID Authentication Portal (aka Captive Portal) service that can allow an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets.
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. Until the vendor releases an official fix, the following workaround should be implemented: - Restrict User-ID Authentication Portal access to only trusted zones. - Disable User-ID Authentication Portal if not required. 5/13/2026: Palo Alto has released a variety of patches. If these are relevant to your environment, please apply the designated patch.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://security.paloaltonetworks.com/CVE-2026-0300 ; https://nvd.nist.gov/vuln/detail/CVE-2026-0300
7.8
CVE-2026-31431 - Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability -
Action Due May 15, 2026 Target Vendor : Linux
Description :Linux Kernel contains an incorrect resource transfer between spheres vulnerability that could allow for privilege escalation.
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://lore.kernel.org/linux-cve-announce/2026042214-CVE-2026-31431-3d65@gregkh/; https://xint.io/blog/copy-fail-linux-distributions#the-fix-6 ; https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/about/ ; https://nvd.nist.gov/vuln/detail/CVE-2026-31431
9.8
CVE-2026-41940 - WebPros cPanel & WHM and WP2 (WordPress Squared) Missing Authentication for Critical Function Vulnerability -
Action Due May 03, 2026 Target Vendor : WebPros
Description :WebPros cPanel & WHM (WebHost Manager) and WP2 (WordPress Squared) contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.
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 May 06, 2026
Notes :https://support.cpanel.net/hc/en-us/articles/40073787579671-cPanel-WHM-Security-Update-04-28-2026 ; https://docs.cpanel.net/release-notes/release-notes/ ; https://docs.wpsquared.com/changelogs/versions/changelog/#13617 ; https://nvd.nist.gov/vuln/detail/CVE-2026-41940"
4.3
CVE-2026-32202 - Microsoft Windows Protection Mechanism Failure Vulnerability -
Action Due May 12, 2026 Target Vendor : Microsoft
Description :Microsoft Windows Shell contains a protection mechanism failure vulnerability that allows an unauthorized attacker to perform spoofing 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/en-US/vulnerability/CVE-2026-32202 ; https://nvd.nist.gov/vuln/detail/CVE-2026-32202
8.4
CVE-2024-1708 - ConnectWise ScreenConnect Path Traversal Vulnerability -
Action Due May 12, 2026 Target Vendor : ConnectWise
Description :ConnectWise ScreenConnect contains a path traversal vulnerability which could allow an attacker to execute remote code or directly impact confidential data and critical systems.
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 May 15, 2026
Notes :https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8 ; https://nvd.nist.gov/vuln/detail/CVE-2024-1708