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Ransomware Intelligence

CISA flags a vulnerability as "used by ransomware" only when a campaign is confirmed. These are flaws extortion groups have already exploited: fixing them first removes the most concrete risk.

361
CVEs used by ransomware · 21% of the KEV catalog
3
added in the last 90 days
173
critical
269
victims posted (30 days)
410
groups tracked

Vendors most exploited by ransomware

Most common weaknesses (CWE)

By year added to KEV

Most active groups (30 days)

Victims posted on leak sites, according to ransomware.live. Victim names are not displayed.

GroupVictimsLast activity
N0n 77 7h
thegentlemen 35 1d
qilin 28 11h
Wallstreet 15 2d
lockbit5 9 1d
play 9 2d
iah6477 8 20h
incransom 7 3d
Helix 7 6h
THE SEVEN DEADLY SINS 7 2d
everest 7 2d
akira 6 3d
All groups →

Most affected countries (30 days)

  • United States90
  • Brazil15
  • South Korea12
  • Sweden10
  • United Kingdom8
  • Germany7
  • Japan6
  • Singapore5
  • India5
  • Thailand5

Most affected sectors (30 days)

  • Transportation34
  • Professional Services31
  • Manufacturing31
  • Healthcare28
  • Technology25
  • Other16
  • Retail & E-Commerce12
  • Financial Services12
  • Education9
  • Energy & Utilities9

Groups and the CVEs they exploit

clop 5akira 3alphv 3conti 3hive 3play 3medusa 2vicesociety 2atomsilo 1blackbyte 1blackshadow 1BrainCipher 1esxiargs 1frag 1handala 1icefire 1incransom 1karma 1lockbit 1maze 1nightsky 1nightspire 1nokoyawa 1revil 1reynolds 1underground 1

CVEs used in ransomware campaigns

Severity
Clear

117 result(s)

CVE-2018-8406 High · 7.8 KEV High · 64 Ransomware CWE-404 Aug 15, 2018
Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability
An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory, aka "DirectX Graphics Kernel Elevation of Privilege Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8400, CVE-2018-8401, CVE-2018-8405.
CVE-2018-8440 High · 7.8 KEV Urgent · 84 Public exploit Ransomware Sep 12, 2018
Microsoft Windows Privilege Escalation Vulnerability
An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC), aka "Windows ALPC Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
CVE-2021-38646 High · 7.8 KEV High · 65 Ransomware Sep 15, 2021
Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability
Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability
CVE-2017-0146 High · 8.8 KEV Urgent · 86 Public exploit Ransomware Mar 16, 2017
Microsoft Windows SMB Remote Code Execution Vulnerability
The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to execute arbitrary code via crafted packets, aka "Windows SMB Remote Code Execution Vulnerability." This vulnerability is different from those described in CVE-2017-0143, CVE-2017-0144, CVE-2017-0145, and CVE-2017-0148.
CVE-2022-21999 High · 7.8 KEV Urgent · 84 Public exploit Ransomware CWE-22 Feb 9, 2022
Microsoft Windows Print Spooler Privilege Escalation Vulnerability
Windows Print Spooler Elevation of Privilege Vulnerability
CVE-2015-2546 High · 8.2 KEV Urgent · 71 Public exploit Ransomware CWE-119 Sep 8, 2015
Microsoft Win32k Memory Corruption Vulnerability
The kernel-mode driver in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 allows local users to gain privileges via a crafted application, aka "Win32k Memory Corruption Elevation of Privilege Vulnerability," a different vulnerability than CVE-2015-2511, CVE-2015-2517, and CVE-2015-2518.
CVE-2016-3309 High · 7.8 KEV Urgent · 80 Public exploit Ransomware Aug 9, 2016
Microsoft Windows Kernel Privilege Escalation Vulnerability
The kernel-mode drivers in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability," a different vulnerability than CVE-2016-3308, CVE-2016-3310, and CVE-2016-3311.
CVE-2017-0101 High · 7.8 KEV Urgent · 74 Public exploit Ransomware CWE-119 Mar 16, 2017
Microsoft Windows Transaction Manager Privilege Escalation Vulnerability
The kernel-mode drivers in Transaction Manager in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2; Windows 7 SP1; Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Windows Elevation of Privilege Vulnerability."
CVE-2018-8120 High · 7.0 KEV Urgent · 86 Public exploit Ransomware CWE-404 May 9, 2018
Microsoft Win32k Privilege Escalation Vulnerability
An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka "Win32k Elevation of Privilege Vulnerability." This affects Windows Server 2008, Windows 7, Windows Server 2008 R2. This CVE ID is unique from CVE-2018-8124, CVE-2018-8164, CVE-2018-8166.
CVE-2019-0543 High · 7.8 KEV Urgent · 73 Public exploit Ransomware CWE-287 Jan 8, 2019
Microsoft Windows Privilege Escalation Vulnerability
An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka "Microsoft Windows Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
CVE-2019-0841 High · 7.8 KEV Urgent · 86 Public exploit Ransomware CWE-59 Apr 9, 2019
Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability
An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-0730, CVE-2019-0731, CVE-2019-0796, CVE-2019-0805, CVE-2019-0836.
CVE-2019-1064 High · 7.8 KEV Urgent · 71 Public exploit Ransomware CWE-59 Jun 12, 2019
Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability
An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links. An attacker who successfully exploited this vulnerability could run processes in an elevated context. An attacker could then install programs; view, change or delete data. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system. The security update addresses the vulnerability by correcting how Windows AppX Deployment Service handles hard links.
CVE-2019-1069 High · 7.8 KEV Urgent · 71 Public exploit Ransomware CWE-59 Jun 12, 2019
Microsoft Task Scheduler Privilege Escalation Vulnerability
An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates certain file operations. An attacker who successfully exploited the vulnerability could gain elevated privileges on a victim system. To exploit the vulnerability, an attacker would require unprivileged code execution on a victim system. The security update addresses the vulnerability by correctly validating file operations.
CVE-2019-1129 High · 7.8 KEV High · 63 Ransomware CWE-59 Jul 15, 2019
Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability
An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1130.
CVE-2019-1253 High · 7.8 KEV Urgent · 79 Public exploit Ransomware CWE-59 Sep 11, 2019
Microsoft Windows AppX Deployment Server Privilege Escalation Vulnerability
An elevation of privilege vulnerability exists when the Windows AppX Deployment Server improperly handles junctions.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1215, CVE-2019-1278, CVE-2019-1303.
CVE-2019-1315 High · 7.8 KEV Urgent · 70 Public exploit Ransomware CWE-59 Oct 10, 2019
Microsoft Windows Error Reporting Manager Privilege Escalation Vulnerability
An elevation of privilege vulnerability exists when Windows Error Reporting manager improperly handles hard links, aka 'Windows Error Reporting Manager Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1339, CVE-2019-1342.
CVE-2019-1322 High · 7.8 KEV Urgent · 86 Public exploit Ransomware Oct 10, 2019
Microsoft Windows Privilege Escalation Vulnerability
An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka 'Microsoft Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1320, CVE-2019-1340.
CVE-2019-1405 High · 7.8 KEV Urgent · 86 Public exploit Ransomware CWE-269 Nov 12, 2019
Microsoft Windows Universal Plug and Play (UPnP) Service Privilege Escalation Vulnerability
An elevation of privilege vulnerability exists when the Windows Universal Plug and Play (UPnP) service improperly allows COM object creation, aka 'Windows UPnP Service Elevation of Privilege Vulnerability'.
CVE-2015-1701 High · 7.8 KEV Urgent · 96 Public exploit Ransomware Apr 21, 2015
Microsoft Win32k Privilege Escalation Vulnerability
Win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Vista SP2, and Server 2008 SP2 allows local users to gain privileges via a crafted application, as exploited in the wild in April 2015, aka "Win32k Elevation of Privilege Vulnerability."
CVE-2016-0099 High · 7.8 KEV Urgent · 86 Public exploit Ransomware CWE-120 Mar 9, 2016
Microsoft Windows Secondary Logon Service Privilege Escalation Vulnerability
The Secondary Logon Service in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 does not properly process request handles, which allows local users to gain privileges via a crafted application, aka "Secondary Logon Elevation of Privilege Vulnerability."
CVE-2018-8581 High · 7.4 KEV Urgent · 72 Public exploit Ransomware Nov 13, 2018
Microsoft Exchange Server Privilege Escalation Vulnerability
An elevation of privilege vulnerability exists in Microsoft Exchange Server, aka "Microsoft Exchange Server Elevation of Privilege Vulnerability." This affects Microsoft Exchange Server.
CVE-2021-41379 Medium · 5.5 KEV High · 63 Ransomware CWE-59 Nov 9, 2021
Microsoft Windows Installer Privilege Escalation Vulnerability
Windows Installer Elevation of Privilege Vulnerability
CVE-2018-8174 High · 7.5 KEV Urgent · 90 Public exploit Ransomware CWE-787 May 9, 2018
Microsoft Windows VBScript Engine Out-of-Bounds Write Vulnerability
A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
CVE-2019-0752 High · 7.5 KEV Urgent · 80 Public exploit Ransomware CWE-843 Apr 9, 2019
Microsoft Internet Explorer Type Confusion Vulnerability
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-0739, CVE-2019-0753, CVE-2019-0862.
CVE-2017-0144 High · 8.8 KEV Urgent · 86 Public exploit Ransomware Mar 16, 2017
Microsoft SMBv1 Remote Code Execution Vulnerability
The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to execute arbitrary code via crafted packets, aka "Windows SMB Remote Code Execution Vulnerability." This vulnerability is different from those described in CVE-2017-0143, CVE-2017-0145, CVE-2017-0146, and CVE-2017-0148.

Sources: CISA KEV (knownRansomwareCampaignUse field) and ransomware.live (groups, TTPs and victim counts). The absence of a KEV flag does not mean a flaw is not used by ransomware.