Share of each bar's KEVs linked to ransomware. Thresholds track the catalog average of 20.9%, so they stay meaningful as it grows. Bars under 5 KEVs are left uncoloured — too few to rate a share.
Share of each bar's KEVs linked to ransomware. Thresholds track the catalog average of 20.9%, so they stay meaningful as it grows. Bars under 5 KEVs are left uncoloured — too few to rate a share.
| CVE | Vendor | Product | Vulnerability | CVSS | Added | Due per BOD 22-01 | Ransomware |
|---|---|---|---|---|---|---|---|
| CVE-2026-85880 | Microsoft | Windows | Microsoft Windows Heap-Based Buffer Overflow Vulnerability Microsoft Windows Advanced Local Procedure Call contains a heap-based buffer overflow vulnerability that allows an attacker to elevate privileges locally. | 7.8 CNA | 2026-09-08 | 2026-09-22 | Unknown |
| CVE-2026-81963 | Microsoft | Windows | Microsoft Windows Link Following Vulnerability Microsoft Windows Update Stack contains a link following vulnerability that allows a local attacker to escalate privileges locally up to SYSTEM. | 7.8 CNA | 2026-09-08 | 2026-09-22 | Unknown |
| CVE-2019-1068 | Microsoft | SQL Server | Microsoft SQL Server Remote Code Execution Vulnerability Microsoft SQL Server contains a remote code execution vulnerability that could allow an attacker to execute code in the context of the SQL Server Database Engine service account. | 8.8 CISA | 2026-08-26 | 2026-08-29 | Unknown |
| CVE-2026-55040 | Microsoft | SharePoint | Microsoft SharePoint Weak Authentication Vulnerability Microsoft SharePoint contains a weak authentication vulnerability which allows an unauthorized attacker to bypass a security feature over a network. | 9.1 CNA | 2026-08-18 | 2026-08-21 | Unknown |
| CVE-2026-33824 | Microsoft | Internet Key Exchange (IKE) Service Extensions | Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability Microsoft Internet Key Exchange (IKE) Service Extensions contains a double free vulnerability that could enable remote code execution. | 9.8 CNA | 2026-08-18 | 2026-08-21 | Unknown |
| CVE-2026-68820 | Microsoft | Windows Ancillary Function Driver for WinSock | Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability Microsoft Windows Ancillary Function Driver for WinSock contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally. | 7.0 CNA | 2026-08-11 | 2026-08-25 | Unknown |
| CVE-2026-50522 | Microsoft | SharePoint | Microsoft SharePoint Deserialization of Untrusted Data Vulnerability Microsoft SharePoint contains a deserialization of untrusted data vulnerability which could allow an unauthorized attacker to execute code over a network. | 9.8 CNA | 2026-07-22 | 2026-07-25 | Unknown |
| CVE-2026-58644 | Microsoft | SharePoint | Microsoft SharePoint Deserialization of Untrusted Data Vulnerability Microsoft SharePoint contains a deserialization of untrusted data vulnerability that allows an unauthorized attacker to execute code over a network. | 9.8 CNA | 2026-07-16 | 2026-07-19 | Unknown |
| CVE-2026-56164 | Microsoft | SharePoint | Microsoft SharePoint Server Missing Authentication for Critical Function Vulnerability Microsoft SharePoint contains a missing authentication for critical function vulnerability that allows an unauthorized attacker to elevate privileges over a network. | 5.3 CNA | 2026-07-14 | 2026-07-17 | Unknown |
| CVE-2026-56155 | Microsoft | Active Directory Federation Services | Microsoft Active Directory Federation Services Insufficient Granularity of Access Control Vulnerability Microsoft Active Directory Federation Services contains an insufficient granularity of access control vulnerability that allows an authorized attacker to elevate privileges locally. | 7.8 CNA | 2026-07-14 | 2026-07-28 | Unknown |
| CVE-2026-45659 | Microsoft | SharePoint | Microsoft SharePoint Server Deserialization of Untrusted Data Vulnerability Microsoft SharePoint Server contains a deserialization of untrusted data vulnerability which allows an authorized attacker to execute code over a network. | 8.8 CNA | 2026-07-01 | 2026-07-04 | Known |
| CVE-2026-45498 | Microsoft | Defender | Microsoft Defender Denial of Service Vulnerability Microsoft Defender contains an unspecified vulnerability that allows for denial of service. | 4.0 CNA | 2026-05-20 | 2026-06-03 | Unknown |
| CVE-2026-41091 | Microsoft | Defender | Microsoft Defender Link Following Vulnerability Microsoft Defender contains a link following vulnerability that allows an authorized attacker to elevate privileges locally. | 7.8 CNA | 2026-05-20 | 2026-06-03 | Unknown |
| CVE-2010-0806 | Microsoft | Internet Explorer | Microsoft Internet Explorer Use-After-Free Vulnerability 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. | 8.8 CISA | 2026-05-20 | 2026-06-03 | Unknown |
| CVE-2010-0249 | Microsoft | Internet Explorer | Microsoft Internet Explorer Use-After-Free Vulnerability 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. | 8.8 CISA | 2026-05-20 | 2026-06-03 | Unknown |
| CVE-2009-1537 | Microsoft | DirectX | Microsoft DirectX NULL Byte Overwrite Vulnerability 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. | 8.8 CISA | 2026-05-20 | 2026-06-03 | Unknown |
| CVE-2008-4250 | Microsoft | Windows | Microsoft Windows Buffer Overflow Vulnerability 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. | 9.8 CISA | 2026-05-20 | 2026-06-03 | Unknown |
| CVE-2026-42897 | Microsoft | Microsoft | Microsoft Exchange Server Cross-Site Scripting Vulnerability 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. | 8.1 CNA | 2026-05-15 | 2026-05-29 | Unknown |
| CVE-2026-32202 | Microsoft | Windows | Microsoft Windows Protection Mechanism Failure Vulnerability Microsoft Windows Shell contains a protection mechanism failure vulnerability that allows an unauthorized attacker to perform spoofing over a network. | 4.3 CNA | 2026-04-28 | 2026-05-12 | Unknown |
| CVE-2026-33825 | Microsoft | Defender | Microsoft Defender Insufficient Granularity of Access Control Vulnerability Microsoft Defender contains an insufficient granularity of access control vulnerability that could allow an authorized attacker to escalate privileges locally. | 7.8 CNA | 2026-04-22 | 2026-05-06 | Known |
| CVE-2026-32201 | Microsoft | SharePoint | Microsoft SharePoint Server Improper Input Validation Vulnerability Microsoft SharePoint Server contains an improper input validation vulnerability that allows an unauthorized attacker to perform spoofing over a network. | 6.5 CNA | 2026-04-14 | 2026-04-28 | Unknown |
| CVE-2009-0238 | Microsoft | Office | Microsoft Office Remote Code Execution Microsoft Office Excel contains a remote code execution vulnerability that could allow an attacker to take complete control of an affected system if a user opens a specially crafted Excel file that includes a malformed object. | 8.8 CISA | 2026-04-14 | 2026-04-28 | Unknown |
| CVE-2023-36424 | Microsoft | Windows | Microsoft Windows Out-of-Bounds Read Vulnerability Microsoft Windows Common Log File System Driver contains an out-of-bounds read vulnerability that could allow a threat actor for privileges escalation | 7.8 CNA | 2026-04-13 | 2026-04-27 | Unknown |
| CVE-2023-21529 | Microsoft | Exchange Server | Microsoft Exchange Server Deserialization of Untrusted Data Vulnerability Microsoft Exchange Server contains a deserialization of untrusted data that allows an authenticated attacker to achieve remote code execution. | 8.8 CNA | 2026-04-13 | 2026-04-27 | Known |
| CVE-2025-60710 | Microsoft | Windows | Microsoft Windows Link Following Vulnerability Microsoft Windows contains a link following vulnerability that allows for privilege escalation | 7.8 CNA | 2026-04-13 | 2026-04-27 | Known |
| CVE-2012-1854 | Microsoft | Visual Basic for Applications (VBA) | Microsoft Visual Basic for Applications Insecure Library Loading Vulnerability Microsoft Visual Basic for Applications (VBA) contains an insecure library loading vulnerability that could allow for remote code execution. | 7.8 CISA | 2026-04-13 | 2026-04-27 | Unknown |
| CVE-2026-20963 | Microsoft | SharePoint | Microsoft SharePoint Deserialization of Untrusted Data Vulnerability Microsoft SharePoint contains a deserialization of untrusted data vulnerability that allows an unauthorized attacker to execute code over a network. | 9.8 CNA | 2026-03-18 | 2026-03-21 | Unknown |
| CVE-2008-0015 | Microsoft | Windows | Microsoft Windows Video ActiveX Control Remote Code Execution Vulnerability Microsoft Windows Video ActiveX Control contains a remote code execution vulnerability. An attacker could exploit the vulnerability by constructing a specially crafted Web page. When a user views the Web page, the vulnerability could allow remote code execution. An attacker who successfully exploited this vulnerability could gain the same user rights as the logged-on user. | 8.8 CISA | 2026-02-17 | 2026-03-10 | Unknown |
| CVE-2024-43468 | Microsoft | Configuration Manager | Microsoft Configuration Manager SQL Injection Vulnerability Microsoft Configuration Manager contains an SQL injection vulnerability. An unauthenticated attacker could exploit this vulnerability by sending specially crafted requests to the target environment which are processed in an unsafe manner enabling the attacker to execute commands on the server and/or underlying database. | 9.8 CNA | 2026-02-12 | 2026-03-05 | Unknown |
| CVE-2026-21514 | Microsoft | Office | Microsoft Office Word Reliance on Untrusted Inputs in a Security Decision Vulnerability Microsoft Office Word contains a reliance on untrusted inputs in a security decision vulnerability that could allow an authorized attacker to elevate privileges locally. | 7.8 CNA | 2026-02-10 | 2026-03-03 | Unknown |
| CVE-2026-21519 | Microsoft | Windows | Microsoft Windows Type Confusion Vulnerability Microsoft Desktop Windows Manager contains a type confusion vulnerability that could allow an authorized attacker to elevate privileges locally. | 7.8 CNA | 2026-02-10 | 2026-03-03 | Unknown |
| CVE-2026-21533 | Microsoft | Windows | Microsoft Windows Improper Privilege Management Vulnerability Microsoft Windows Remote Desktop Services contains an improper privilege management vulnerability that could allow an authorized attacker to elevate privileges locally. | 7.8 CNA | 2026-02-10 | 2026-03-03 | Unknown |
| CVE-2026-21510 | Microsoft | Windows | Microsoft Windows Shell Protection Mechanism Failure Vulnerability Microsoft Windows Shell contains a protection mechanism failure vulnerability that could allow an unauthorized attacker to bypass a security feature over a network. | 8.8 CNA | 2026-02-10 | 2026-03-03 | Unknown |
| CVE-2026-21525 | Microsoft | Windows | Microsoft Windows NULL Pointer Dereference Vulnerability Microsoft Windows Remote Access Connection Manager contains a NULL pointer dereference that could allow an unauthorized attacker to deny service locally. | 6.2 CNA | 2026-02-10 | 2026-03-03 | Unknown |
| CVE-2026-21513 | Microsoft | Windows | Microsoft MSHTML Framework Protection Mechanism Failure Vulnerability Microsoft MSHTML Framework contains a protection mechanism failure vulnerability that could allow an unauthorized attacker to bypass a security feature over a network. | 8.8 CNA | 2026-02-10 | 2026-03-03 | Unknown |
| CVE-2026-21509 | Microsoft | Office | Microsoft Office Security Feature Bypass Vulnerability 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. | 7.8 CNA | 2026-01-26 | 2026-02-16 | Unknown |
| CVE-2026-20805 | Microsoft | Windows | Microsoft Windows Information Disclosure Vulnerability Microsoft Windows Desktop Windows Manager contains an information disclosure vulnerability that allows an authorized attacker to disclose information locally. | 5.5 CNA | 2026-01-13 | 2026-02-03 | Unknown |
| CVE-2009-0556 | Microsoft | Office | Microsoft Office PowerPoint Code Injection Vulnerability Microsoft Office PowerPoint contains a code injection vulnerability that allows remote attackers to execute arbitrary code via a PowerPoint file with an OutlineTextRefAtom containing an invalid index value that triggers memory corruption. | 8.8 CISA | 2026-01-07 | 2026-01-28 | Unknown |
| CVE-2025-62221 | Microsoft | Windows | Microsoft Windows Use After Free Vulnerability Microsoft Windows Cloud Files Mini Filter Driver contains a use after free vulnerability that can allow an authorized attacker to elevate privileges locally. | 7.8 CNA | 2025-12-09 | 2025-12-30 | Unknown |
| CVE-2025-62215 | Microsoft | Windows | Microsoft Windows Race Condition Vulnerability Microsoft Windows Kernel contains a race condition vulnerability that allows a local attacker with low-level privileges to escalate privileges. Successful exploitation of this vulnerability could enable the attacker to gain SYSTEM-level access. | 7.0 CNA | 2025-11-12 | 2025-12-03 | Unknown |
| CVE-2025-59287 | Microsoft | Windows | Microsoft Windows Server Update Service (WSUS) Deserialization of Untrusted Data Vulnerability Microsoft Windows Server Update Service (WSUS) contains a deserialization of untrusted data vulnerability that allows for remote code execution. | 9.8 CNA | 2025-10-24 | 2025-11-14 | Unknown |
| CVE-2025-33073 | Microsoft | Windows | Microsoft Windows SMB Client Improper Access Control Vulnerability Microsoft Windows SMB Client contains an improper access control vulnerability that could allow for privilege escalation. An attacker could execute a specially crafted malicious script to coerce the victim machine to connect back to the attack system using SMB and authenticate. | 8.8 CNA | 2025-10-20 | 2025-11-10 | Unknown |
| CVE-2025-59230 | Microsoft | Windows | Microsoft Windows Improper Access Control Vulnerability Microsoft Windows contains an improper access control vulnerability in Windows Remote Access Connection Manager which could allow an authorized attacker to elevate privileges locally. | 7.8 CNA | 2025-10-14 | 2025-11-04 | Unknown |
| CVE-2025-24990 | Microsoft | Windows | Microsoft Windows Untrusted Pointer Dereference Vulnerability Microsoft Windows Agere Modem Driver contains an untrusted pointer dereference vulnerability that allows for privilege escalation. An attacker who successfully exploited this vulnerability could gain administrator privileges. | 7.8 CNA | 2025-10-14 | 2025-11-04 | Unknown |
| CVE-2011-3402 | Microsoft | Windows | Microsoft Windows Remote Code Execution Vulnerability Microsoft Windows Kernel contains an unspecified vulnerability in the TrueType font parsing engine in win32k.sys in the kernel-mode drivers that allows remote attackers to execute arbitrary code via crafted font data in a Word document or web page. | 8.8 CISA | 2025-10-06 | 2025-10-27 | Unknown |
| CVE-2013-3918 | Microsoft | Windows | Microsoft Windows Out-of-Bounds Write Vulnerability Microsoft Windows contains an out-of-bounds write vulnerability in the InformationCardSigninHelper Class ActiveX control, icardie.dll. An attacker could exploit the vulnerability by constructing a specially crafted webpage. When a user views the webpage, the vulnerability could allow remote code execution. An attacker who successfully exploited this vulnerability could gain the same user rights as the current user. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization. | 8.8 CISA | 2025-10-06 | 2025-10-27 | Unknown |
| CVE-2021-43226 | Microsoft | Windows | Microsoft Windows Privilege Escalation Vulnerability Microsoft Windows Common Log File System Driver contains a privilege escalation vulnerability that could allow a local, privileged attacker to bypass certain security mechanisms. | 7.8 CNA | 2025-10-06 | 2025-10-27 | Known |
| CVE-2010-3962 | Microsoft | Internet Explorer | Microsoft Internet Explorer Uninitialized Memory Corruption Vulnerability Microsoft Internet Explorer contains an uninitialized memory corruption vulnerability that could allow for remote code execution. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization. | 8.1 CISA | 2025-10-06 | 2025-10-27 | Unknown |
| CVE-2013-3893 | Microsoft | Internet Explorer | Microsoft Internet Explorer Resource Management Errors Vulnerability Microsoft Internet Explorer contains a memory corruption vulnerability that allows for remote code execution. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization. | 8.8 CISA | 2025-08-12 | 2025-09-02 | Unknown |
| CVE-2007-0671 | Microsoft | Office | Microsoft Office Excel Remote Code Execution Vulnerability Microsoft Office Excel contains a remote code execution vulnerability that can be exploited when a specially crafted Excel file is opened. This malicious file could be delivered as an email attachment or hosted on a malicious website. An attacker could leverage this vulnerability by creating a specially crafted Excel file, which, when opened, allowing an attacker to execute remote code on the affected system. | 8.8 CISA | 2025-08-12 | 2025-09-02 | Unknown |