CVE tracker
Scroll across the table to compare exploitation and severity.
| CVE / vulnerability | Exploitation | CVSS |
|---|---|---|
| CVE-2021-34527Windows Print Spooler Remote Code Execution Vulnerability Microsoft Windows 10 Version 1507, Microsoft Windows 10 Version 1607, Microsoft Windows 10 Version 1809, Microsoft Windows 10 Version 20H2, Microsoft Windows 10 Version 21H2, Microsoft Windows 10 Version 22H2, Microsoft Windows 11 version 21H2, Microsoft Windows 11 version 22H2, Microsoft Windows 8.1, Microsoft Windows Server 2008 R2 Service Pack 1, Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation), Microsoft Windows Server 2008 Service Pack 2, Microsoft Windows Server 2008 Service Pack 2 (Server Core installation), Microsoft Windows Server 2012, Microsoft Windows Server 2012 (Server Core installation), Microsoft Windows Server 2012 R2, Microsoft Windows Server 2012 R2 (Server Core installation), Microsoft Windows Server 2016, Microsoft Windows Server 2016 (Server Core installation), Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows Server 2022, Microsoft Windows Server version 20H2 Versions & vendor guidance → |
Known exploitedCISA KEV | 8.8High |
| CVE-2021-34523Microsoft Exchange Server Elevation of Privilege Vulnerability Microsoft Microsoft Exchange Server 2013 Cumulative Update 23, Microsoft Microsoft Exchange Server 2016 Cumulative Update 19, Microsoft Microsoft Exchange Server 2016 Cumulative Update 20, Microsoft Microsoft Exchange Server 2019 Cumulative Update 8, Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Versions & vendor guidance → |
Known exploitedCISA KEV | 9Critical |
| CVE-2021-34486Windows Event Tracing Elevation of Privilege Vulnerability Microsoft Windows 10 Version 1809, Microsoft Windows 10 Version 1909, Microsoft Windows 10 Version 2004, Microsoft Windows 10 Version 20H2, Microsoft Windows 10 Version 21H1, Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows Server version 2004, Microsoft Windows Server version 20H2 Versions & vendor guidance → |
Known exploitedCISA KEV | 7.8High |
| CVE-2021-34484Windows User Profile Service Elevation of Privilege Vulnerability Microsoft Windows 10 Version 1507, Microsoft Windows 10 Version 1607, Microsoft Windows 10 Version 1809, Microsoft Windows 10 Version 1909, Microsoft Windows 10 Version 2004, Microsoft Windows 10 Version 20H2, Microsoft Windows 10 Version 21H1, Microsoft Windows 7, Microsoft Windows 7 Service Pack 1, Microsoft Windows 8.1, Microsoft Windows Server 2008 R2 Service Pack 1, Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation), Microsoft Windows Server 2008 Service Pack 2, Microsoft Windows Server 2008 Service Pack 2 (Server Core installation), Microsoft Windows Server 2012, Microsoft Windows Server 2012 (Server Core installation), Microsoft Windows Server 2012 R2, Microsoft Windows Server 2012 R2 (Server Core installation), Microsoft Windows Server 2016, Microsoft Windows Server 2016 (Server Core installation), Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows Server version 2004, Microsoft Windows Server version 20H2 Versions & vendor guidance → |
Known exploitedCISA KEV | 7.8High |
| CVE-2021-34473Microsoft Exchange Server Remote Code Execution Vulnerability Microsoft Microsoft Exchange Server 2013 Cumulative Update 23, Microsoft Microsoft Exchange Server 2016 Cumulative Update 19, Microsoft Microsoft Exchange Server 2016 Cumulative Update 20, Microsoft Microsoft Exchange Server 2019 Cumulative Update 8, Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Versions & vendor guidance → |
Known exploitedCISA KEV | 9.1Critical |
| CVE-2021-34448Scripting Engine Memory Corruption Vulnerability Microsoft Windows 10 Version 1507, Microsoft Windows 10 Version 1607, Microsoft Windows 10 Version 1809, Microsoft Windows 10 Version 1909, Microsoft Windows 10 Version 2004, Microsoft Windows 10 Version 20H2, Microsoft Windows 10 Version 21H1, Microsoft Windows 7, Microsoft Windows 7 Service Pack 1, Microsoft Windows 8.1, Microsoft Windows Server 2008 R2 Service Pack 1, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Microsoft Windows Server 2016, Microsoft Windows Server 2019 Versions & vendor guidance → |
Known exploitedCISA KEV | 6.8Medium |
| CVE-2021-33771Windows Kernel Elevation of Privilege Vulnerability Microsoft Windows 10 Version 1507, Microsoft Windows 10 Version 1607, Microsoft Windows 10 Version 1809, Microsoft Windows 10 Version 1909, Microsoft Windows 10 Version 2004, Microsoft Windows 10 Version 20H2, Microsoft Windows 10 Version 21H1, Microsoft Windows 8.1, Microsoft Windows Server 2012 R2, Microsoft Windows Server 2012 R2 (Server Core installation), Microsoft Windows Server 2016, Microsoft Windows Server 2016 (Server Core installation), Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows Server version 2004, Microsoft Windows Server version 20H2 Versions & vendor guidance → |
Known exploitedCISA KEV | 7.8High |
| CVE-2021-33766Microsoft Exchange Server Information Disclosure Vulnerability Microsoft Microsoft Exchange Server 2013 Cumulative Update 23, Microsoft Microsoft Exchange Server 2016 Cumulative Update 19, Microsoft Microsoft Exchange Server 2016 Cumulative Update 20, Microsoft Microsoft Exchange Server 2019 Cumulative Update 8, Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Versions & vendor guidance → |
Known exploitedCISA KEV | 7.3High |
| CVE-2021-33742Windows MSHTML Platform Remote Code Execution Vulnerability Microsoft Windows 10 Version 1809, Microsoft Windows Server 2019, Microsoft Windows 10 Version 1909, Microsoft Windows 10 Version 21H1, Microsoft Windows 10 Version 2004, Microsoft Windows 10 Version 20H2, Microsoft Windows 10 Version 1507, Microsoft Windows 10 Version 1607, Microsoft Windows Server 2016, Microsoft Windows 7, Microsoft Windows 7 Service Pack 1, Microsoft Windows 8.1, Microsoft Windows Server 2008 Service Pack 2, Microsoft Windows Server 2008 Service Pack 2, Microsoft Windows Server 2008 R2 Service Pack 1, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2 Versions & vendor guidance → |
Known exploitedCISA KEV | 7.5High |
| CVE-2021-33739Microsoft DWM Core Library Elevation of Privilege Vulnerability Microsoft Windows 10 Version 1909, Microsoft Windows 10 Version 21H1, Microsoft Windows 10 Version 2004, Microsoft Windows Server version 2004, Microsoft Windows 10 Version 20H2, Microsoft Windows Server version 20H2 Versions & vendor guidance → |
Known exploitedCISA KEV | 8.4High |
| CVE-2021-33045Dahua IP Camera Authentication Bypass Vulnerability n/a Some Dahua IP Camera, Video Intercom, NVR, XVR devices Versions & vendor guidance → |
Known exploitedCISA KEV | 9.8Critical |
| CVE-2021-33044Dahua IP Camera Authentication Bypass Vulnerability n/a Some Dahua IP Camera, Video Intercom, PTZ Dome Camera, Thermal Camera devices Versions & vendor guidance → |
Known exploitedCISA KEV | 9.8Critical |
| CVE-2021-32648Account Takeover in Octobercms octobercms october Versions & vendor guidance → |
Known exploitedCISA KEV | 8.2High |
| CVE-2021-32030ASUS Routers Improper Authentication Vulnerability n/a n/a Versions & vendor guidance → |
Known exploitedCISA KEV | 9.8Critical |
| CVE-2021-3199ONLYOFFICE Docs Server Path Traversal Vulnerability n/a n/a Versions & vendor guidance → |
Known exploitedCISA KEV | 9.8Critical |
| CVE-2021-31979Windows Kernel Elevation of Privilege Vulnerability Microsoft Windows 10 Version 1507, Microsoft Windows 10 Version 1607, Microsoft Windows 10 Version 1809, Microsoft Windows 10 Version 1909, Microsoft Windows 10 Version 2004, Microsoft Windows 10 Version 20H2, Microsoft Windows 10 Version 21H1, Microsoft Windows 7, Microsoft Windows 7 Service Pack 1, Microsoft Windows 8.1, Microsoft Windows Server 2008 R2 Service Pack 1, Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation), Microsoft Windows Server 2008 Service Pack 2, Microsoft Windows Server 2008 Service Pack 2 (Server Core installation), Microsoft Windows Server 2012, Microsoft Windows Server 2012 (Server Core installation), Microsoft Windows Server 2012 R2, Microsoft Windows Server 2012 R2 (Server Core installation), Microsoft Windows Server 2016, Microsoft Windows Server 2016 (Server Core installation), Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows Server version 2004, Microsoft Windows Server version 20H2 Versions & vendor guidance → |
Known exploitedCISA KEV | 7.8High |
| CVE-2021-31956Windows NTFS Elevation of Privilege Vulnerability Microsoft Windows 10 Version 1809, Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows 10 Version 1909, Microsoft Windows 10 Version 21H1, Microsoft Windows 10 Version 2004, Microsoft Windows Server version 2004, Microsoft Windows 10 Version 20H2, Microsoft Windows Server version 20H2, Microsoft Windows 10 Version 1507, Microsoft Windows 10 Version 1607, Microsoft Windows Server 2016, Microsoft Windows Server 2016 (Server Core installation), Microsoft Windows 7, Microsoft Windows 7 Service Pack 1, Microsoft Windows 8.1, Microsoft Windows Server 2008 Service Pack 2, Microsoft Windows Server 2008 Service Pack 2 (Server Core installation), Microsoft Windows Server 2008 Service Pack 2, Microsoft Windows Server 2008 R2 Service Pack 1, Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation), Microsoft Windows Server 2012, Microsoft Windows Server 2012 (Server Core installation), Microsoft Windows Server 2012 R2, Microsoft Windows Server 2012 R2 (Server Core installation) Versions & vendor guidance → |
Known exploitedCISA KEV | 7.8High |
| CVE-2021-31955Windows Kernel Information Disclosure Vulnerability Microsoft Windows 10 Version 1809, Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows 10 Version 1909, Microsoft Windows 10 Version 21H1, Microsoft Windows 10 Version 2004, Microsoft Windows Server version 2004, Microsoft Windows 10 Version 20H2, Microsoft Windows Server version 20H2 Versions & vendor guidance → |
Known exploitedCISA KEV | 5.5Medium |
| CVE-2021-31755Tenda AC11 Router Stack Buffer Overflow Vulnerability n/a n/a Versions & vendor guidance → |
Known exploitedCISA KEV | 9.8Critical |
| CVE-2021-3156Sudo Heap-Based Buffer Overflow Vulnerability n/a n/a Versions & vendor guidance → |
Known exploitedCISA KEV | 7.8High |
| CVE-2021-3129Laravel Ignition File Upload Vulnerability n/a n/a Versions & vendor guidance → |
Known exploitedCISA KEV | 9.8Critical |
| CVE-2021-31207Microsoft Exchange Server Security Feature Bypass Vulnerability Microsoft Microsoft Exchange Server 2013 Cumulative Update 23, Microsoft Microsoft Exchange Server 2019 Cumulative Update 9, Microsoft Microsoft Exchange Server 2016 Cumulative Update 20, Microsoft Microsoft Exchange Server 2016 Cumulative Update 19, Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Versions & vendor guidance → |
Known exploitedCISA KEV | 6.6Medium |
| CVE-2021-31201Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability Microsoft Windows 10 Version 1809, Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows 10 Version 1909, Microsoft Windows 10 Version 21H1, Microsoft Windows 10 Version 2004, Microsoft Windows Server version 2004, Microsoft Windows 10 Version 20H2, Microsoft Windows Server version 20H2, Microsoft Windows 10 Version 1507, Microsoft Windows 10 Version 1607, Microsoft Windows Server 2016, Microsoft Windows Server 2016 (Server Core installation), Microsoft Windows 7, Microsoft Windows 7 Service Pack 1, Microsoft Windows 8.1, Microsoft Windows Server 2008 Service Pack 2, Microsoft Windows Server 2008 Service Pack 2 (Server Core installation), Microsoft Windows Server 2008 Service Pack 2, Microsoft Windows Server 2008 R2 Service Pack 1, Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation), Microsoft Windows Server 2012, Microsoft Windows Server 2012 (Server Core installation), Microsoft Windows Server 2012 R2, Microsoft Windows Server 2012 R2 (Server Core installation) Versions & vendor guidance → |
Known exploitedCISA KEV | 5.2Medium |
| CVE-2021-31199Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability Microsoft Windows 10 Version 1809, Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows 10 Version 1909, Microsoft Windows 10 Version 21H1, Microsoft Windows 10 Version 2004, Microsoft Windows Server version 2004, Microsoft Windows 10 Version 20H2, Microsoft Windows Server version 20H2, Microsoft Windows 10 Version 1507, Microsoft Windows 10 Version 1607, Microsoft Windows Server 2016, Microsoft Windows Server 2016 (Server Core installation), Microsoft Windows 7, Microsoft Windows 7 Service Pack 1, Microsoft Windows 8.1, Microsoft Windows Server 2008 Service Pack 2, Microsoft Windows Server 2008 Service Pack 2 (Server Core installation), Microsoft Windows Server 2008 Service Pack 2, Microsoft Windows Server 2008 R2 Service Pack 1, Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation), Microsoft Windows Server 2012, Microsoft Windows Server 2012 (Server Core installation), Microsoft Windows Server 2012 R2, Microsoft Windows Server 2012 R2 (Server Core installation) Versions & vendor guidance → |
Known exploitedCISA KEV | 5.2Medium |
| CVE-2021-31196Microsoft Exchange Server Remote Code Execution Vulnerability Microsoft Microsoft Exchange Server 2013 Cumulative Update 23, Microsoft Microsoft Exchange Server 2016 Cumulative Update 20, Microsoft Microsoft Exchange Server 2016 Cumulative Update 21, Microsoft Microsoft Exchange Server 2019 Cumulative Update 10, Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Versions & vendor guidance → |
Known exploitedCISA KEV | 7.2High |
Data sources, freshness & score definitions
The full downloaded KEV catalog is tracked, alongside CVEs found in monitored sources. This is not the entire CVE universe. CVE record enrichment rotates in bounded batches; missing fields remain unknown.
CISA KEV: checked 13 Nov 2026, 00:20 Jerusalem · 1779 records
CVE Program: checked 13 Nov 2026, 00:20 Jerusalem · 117 records · 3 records unavailable
FIRST EPSS: checked 13 Nov 2026, 00:20 Jerusalem · 2223 records
CVSS describes reported technical severity. EPSS estimates exploitation probability in the next 30 days. KEV inclusion records known exploitation, not whether your own systems are exposed.