Is it exploited? Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of 29 Oct 2026 .
VulnCheck KEV lists it since 4 Aug 2025 . It cites 2 public reports, the first from 4 Aug 2025 .
How likely is exploitation in the next 30 days? 6% EPSS score, percentile 93.3 of all scored records. A probability estimated by FIRST, not a report of exploitation.
How severe? 7.8 High CVSS v3.1 base score, given by the CNA
Which versions are affected? Affected
from 10.0.26100.0 to before 10.0.26100.1457 from 10.0.17763.0 to before 10.0.17763.6189 from 10.0.17763.0 to before 10.0.17763.6189 from 10.0.17763.0 to before 10.0.17763.6189 from 10.0.20348.0 to before 10.0.20348.2655 from 10.0.0 to before 10.0.22000.3147 and 14 more in the table below
Versions by product
Source: CISA KEV 2026.10.29, as of 29 Oct 2026 ; VulnCheck KEV, as of 30 Oct 2026 ; FIRST EPSS, as of 29 Oct 2026 ; CVE List, as of 30 Oct 2026 . About the data .
Description Windows Common Log File System Driver Elevation of Privilege Vulnerability
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Source: CVE List, as of 30 Oct 2026 . About the data .
What to do Advisories and patches This summary is based on the CVE record as of 30 Oct 2026 . Check the vendor's advisory before you act: affected versions and fixes can change.
Affected products and versions Versions by product, as listed in the CVE record (20 products) Microsoft Windows 11 Version 24H2 Status Versions Affected from 10.0.26100.0 to before 10.0.26100.1457
Microsoft Windows 10 Version 1809 Status Versions Affected from 10.0.17763.0 to before 10.0.17763.6189
Microsoft Windows Server 2019 Status Versions Affected from 10.0.17763.0 to before 10.0.17763.6189
Microsoft Windows Server 2019 (Server Core installation) Status Versions Affected from 10.0.17763.0 to before 10.0.17763.6189
Microsoft Windows Server 2022 Status Versions Affected from 10.0.20348.0 to before 10.0.20348.2655
Microsoft Windows 11 version 21H2 Status Versions Affected from 10.0.0 to before 10.0.22000.3147
Microsoft Windows 10 Version 21H2 Status Versions Affected from 10.0.19043.0 to before 10.0.19044.4780
Microsoft Windows 11 version 22H2 Status Versions Affected from 10.0.22621.0 to before 10.0.22621.4037
Microsoft Windows 10 Version 22H2 Status Versions Affected from 10.0.19045.0 to before 10.0.19045.4780
Microsoft Windows 11 version 22H3 Status Versions Affected from 10.0.22631.0 to before 10.0.22631.4037
Microsoft Windows 11 Version 23H2 Status Versions Affected from 10.0.22631.0 to before 10.0.22631.4037
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) Status Versions Affected from 10.0.25398.0 to before 10.0.25398.1085
Microsoft Windows 10 Version 1507 Status Versions Affected from 10.0.10240.0 to before 10.0.10240.20751
Microsoft Windows 10 Version 1607 Status Versions Affected from 10.0.14393.0 to before 10.0.14393.7259
Microsoft Windows Server 2016 Status Versions Affected from 10.0.14393.0 to before 10.0.14393.7259
Microsoft Windows Server 2016 (Server Core installation) Status Versions Affected from 10.0.14393.0 to before 10.0.14393.7259
Microsoft Windows Server 2008 Service Pack 2 Status Versions Affected from 6.0.6003.0 to before 6.0.6003.22825
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) Status Versions Affected from 6.0.6003.0 to before 6.0.6003.22825
Microsoft Windows Server 2008 Service Pack 2 Status Versions Affected from 6.0.6003.0 to before 6.0.6003.22825
Microsoft Windows Server 2008 R2 Service Pack 1 Status Versions Affected from 6.1.7601.0 to before 6.1.7601.27277
Source: CVE List, as of 30 Oct 2026 . About the data .
Weakness CWE-20 CWE-20 : Improper Input ValidationCWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.
Timeline Date Event 13 Aug 2024 CVE record published 10 Jul 2025 CVE record last updated
Known exploited Microsoft vulnerabilities CVE-2026-96951 : Microsoft Windows Command Injection Vulnerability (added 13 Oct 2026 ) CVE-2026-65660 : Microsoft SharePoint Code Injection Vulnerability (added 25 Sep 2026 ) CVE-2026-81963 : Microsoft Windows Link Following Vulnerability (added 8 Sep 2026 ) CVE-2026-85880 : Microsoft Windows Heap-Based Buffer Overflow Vulnerability (added 8 Sep 2026 ) CVE-2019-1068 : Microsoft SQL Server Remote Code Execution Vulnerability (added 26 Aug 2026 )