Known Exploited Vulnerabilities Catalog

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild. Organizations should use the KEV catalog as an input to their vulnerability management prioritization framework.

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Showing 1 - 20 of 337
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Microsoft | Windows

CVE-2025-32706

Microsoft Windows Common Log File System (CLFS) Driver Heap-Based Buffer Overflow Vulnerability: Microsoft Windows Common Log File System (CLFS) Driver contains a heap-based buffer overflow vulnerability that allows an authorized attacker to elevate privileges locally.

Related CWE: CWE-122

Known To Be Used in Ransomware Campaigns? Unknown

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.
  • Date Added: 2025-05-13
  • Due Date: 2025-06-03
Additional Notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-32706 ; https://nvd.nist.gov/vuln/detail/CVE-2025-32706
Microsoft | Windows

CVE-2025-30400

Microsoft Windows DWM Core Library Use-After-Free Vulnerability: Microsoft Windows DWM Core Library contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.

Related CWE: CWE-416

Known To Be Used in Ransomware Campaigns? Unknown

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.
  • Date Added: 2025-05-13
  • Due Date: 2025-06-03
Additional Notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-30400 ; https://nvd.nist.gov/vuln/detail/CVE-2025-30400
Microsoft | Windows

CVE-2025-32701

Microsoft Windows Common Log File System (CLFS) Driver Use-After-Free Vulnerability: Microsoft Windows Common Log File System (CLFS) Driver contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.

Related CWE: CWE-416

Known To Be Used in Ransomware Campaigns? Unknown

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.
  • Date Added: 2025-05-13
  • Due Date: 2025-06-03
Additional Notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-32701 ; https://nvd.nist.gov/vuln/detail/CVE-2025-32701
Microsoft | Windows

CVE-2025-30397

Microsoft Windows Scripting Engine Type Confusion Vulnerability: Microsoft Windows Scripting Engine contains a type confusion vulnerability that allows an unauthorized attacker to execute code over a network via a specially crafted URL.

Related CWE: CWE-843

Known To Be Used in Ransomware Campaigns? Unknown

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.
  • Date Added: 2025-05-13
  • Due Date: 2025-06-03
Additional Notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-30397 ; https://nvd.nist.gov/vuln/detail/CVE-2025-30397
Microsoft | Windows

CVE-2025-32709

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 escalate privileges to administrator.

Related CWE: CWE-416

Known To Be Used in Ransomware Campaigns? Unknown

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.
  • Date Added: 2025-05-13
  • Due Date: 2025-06-03
Additional Notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-32709 ; https://nvd.nist.gov/vuln/detail/CVE-2025-32709
Microsoft | Windows

CVE-2025-24054

Microsoft Windows NTLM Hash Disclosure Spoofing Vulnerability: Microsoft Windows NTLM contains an external control of file name or path vulnerability that allows an unauthorized attacker to perform spoofing over a network.

Related CWE: CWE-73

Known To Be Used in Ransomware Campaigns? Unknown

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.
  • Date Added: 2025-04-17
  • Due Date: 2025-05-08
Additional Notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24054 ; https://nvd.nist.gov/vuln/detail/CVE-2025-24054
Microsoft | Windows

CVE-2025-29824

Microsoft Windows Common Log File System (CLFS) Driver Use-After-Free Vulnerability: Microsoft Windows Common Log File System (CLFS) Driver contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.

Related CWE: CWE-416

Known To Be Used in Ransomware Campaigns? Known

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.
  • Date Added: 2025-04-08
  • Due Date: 2025-04-29
Additional Notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-29824 ; https://nvd.nist.gov/vuln/detail/CVE-2025-29824
Microsoft | Windows

CVE-2025-24983

Microsoft Windows Win32k Use-After-Free Vulnerability: Microsoft Windows Win32 Kernel Subsystem contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.

Related CWE: CWE-416

Known To Be Used in Ransomware Campaigns? Unknown

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.
  • Date Added: 2025-03-11
  • Due Date: 2025-04-01
Additional Notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24983 ; https://nvd.nist.gov/vuln/detail/CVE-2025-24983
Microsoft | Windows

CVE-2025-26633

Microsoft Windows Management Console (MMC) Improper Neutralization Vulnerability: Microsoft Windows Management Console (MMC) contains an improper neutralization vulnerability that allows an unauthorized attacker to bypass a security feature locally.

Related CWE: CWE-707

Known To Be Used in Ransomware Campaigns? Known

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.
  • Date Added: 2025-03-11
  • Due Date: 2025-04-01
Additional Notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-26633 ; https://nvd.nist.gov/vuln/detail/CVE-2025-26633
Microsoft | Windows

CVE-2025-24985

Microsoft Windows Fast FAT File System Driver Integer Overflow Vulnerability: Microsoft Windows Fast FAT File System Driver contains an integer overflow or wraparound vulnerability that allows an unauthorized attacker to execute code locally.

Related CWEs: CWE-190| CWE-122

Known To Be Used in Ransomware Campaigns? Unknown

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.
  • Date Added: 2025-03-11
  • Due Date: 2025-04-01
Additional Notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24985 ; https://nvd.nist.gov/vuln/detail/CVE-2025-24985
Microsoft | Windows

CVE-2025-24993

Microsoft Windows NTFS Heap-Based Buffer Overflow Vulnerability: Microsoft Windows New Technology File System (NTFS) contains a heap-based buffer overflow vulnerability that allows an unauthorized attacker to execute code locally.

Related CWE: CWE-122

Known To Be Used in Ransomware Campaigns? Unknown

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.
  • Date Added: 2025-03-11
  • Due Date: 2025-04-01
Additional Notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24993 ; https://nvd.nist.gov/vuln/detail/CVE-2025-24993
Microsoft | Windows

CVE-2025-24984

Microsoft Windows NTFS Information Disclosure Vulnerability: Microsoft Windows New Technology File System (NTFS) contains an insertion of sensitive Information into log file vulnerability that allows an unauthorized attacker to disclose information with a physical attack. An attacker who successfully exploited this vulnerability could potentially read portions of heap memory.

Related CWE: CWE-532

Known To Be Used in Ransomware Campaigns? Unknown

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.
  • Date Added: 2025-03-11
  • Due Date: 2025-04-01
Additional Notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24984 ; https://nvd.nist.gov/vuln/detail/CVE-2025-24984
Microsoft | Windows

CVE-2025-24991

Microsoft Windows NTFS Out-Of-Bounds Read Vulnerability: Microsoft Windows New Technology File System (NTFS) contains an out-of-bounds read vulnerability that allows an authorized attacker to disclose information locally.

Related CWE: CWE-125

Known To Be Used in Ransomware Campaigns? Unknown

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.
  • Date Added: 2025-03-11
  • Due Date: 2025-04-01
Additional Notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24991 ; https://nvd.nist.gov/vuln/detail/CVE-2025-24991
Microsoft | Windows

CVE-2018-8639

Microsoft Windows Win32k Improper Resource Shutdown or Release Vulnerability: Microsoft Windows Win32k contains an improper resource shutdown or release vulnerability that allows for local, authenticated privilege escalation. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode.

Related CWE: CWE-404

Known To Be Used in Ransomware Campaigns? Known

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.
  • Date Added: 2025-03-03
  • Due Date: 2025-03-24
Additional Notes
https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2018-8639 ; https://nvd.nist.gov/vuln/detail/CVE-2018-8639
Microsoft | Partner Center

CVE-2024-49035

Microsoft Partner Center Improper Access Control Vulnerability: Microsoft Partner Center contains an improper access control vulnerability that allows an attacker to escalate privileges.

Related CWE: CWE-269

Known To Be Used in Ransomware Campaigns? Unknown

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.
  • Date Added: 2025-02-25
  • Due Date: 2025-03-18
Additional Notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49035 ; https://nvd.nist.gov/vuln/detail/CVE-2024-49035
Microsoft | Power Pages

CVE-2025-24989

Microsoft Power Pages Improper Access Control Vulnerability: Microsoft Power Pages contains an improper access control vulnerability that allows an unauthorized attacker to elevate privileges over a network potentially bypassing the user registration control.

Related CWE: CWE-284

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply mitigations per vendor instructions, follow BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
  • Date Added: 2025-02-21
  • Due Date: 2025-03-14
Additional Notes
https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-24989 ; https://nvd.nist.gov/vuln/detail/CVE-2025-24989
Microsoft | Windows

CVE-2025-21418

Microsoft Windows Ancillary Function Driver for WinSock Heap-Based Buffer Overflow Vulnerability: Microsoft Windows Ancillary Function Driver for WinSock contains a heap-based buffer overflow vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM privileges.

Related CWE: CWE-122

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  • Date Added: 2025-02-11
  • Due Date: 2025-03-04
Additional Notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21418 ; https://nvd.nist.gov/vuln/detail/CVE-2025-21418
Microsoft | Windows

CVE-2025-21391

Microsoft Windows Storage Link Following Vulnerability: Microsoft Windows Storage contains a link following vulnerability that could allow for privilege escalation. This vulnerability could allow an attacker to delete data including data that results in the service being unavailable.

Related CWE: CWE-59

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  • Date Added: 2025-02-11
  • Due Date: 2025-03-04
Additional Notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21391 ; https://nvd.nist.gov/vuln/detail/CVE-2025-21391
Microsoft | Office Outlook

CVE-2024-21413

Microsoft Outlook Improper Input Validation Vulnerability: Microsoft Outlook contains an improper input validation vulnerability that allows for remote code execution. Successful exploitation of this vulnerability would allow an attacker to bypass the Office Protected View and open in editing mode rather than protected mode.

Related CWE: CWE-20

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  • Date Added: 2025-02-06
  • Due Date: 2025-02-27
Additional Notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21413 ; https://nvd.nist.gov/vuln/detail/CVE-2024-21413
Microsoft | .NET Framework

CVE-2024-29059

Microsoft .NET Framework Information Disclosure Vulnerability: Microsoft .NET Framework contains an information disclosure vulnerability that exposes the ObjRef URI to an attacker, ultimately enabling remote code execution.

Related CWE: CWE-209

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  • Date Added: 2025-02-04
  • Due Date: 2025-02-25
Additional Notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-29059 ; https://nvd.nist.gov/vuln/detail/CVE-2024-29059

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