Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1507 | 10.0.10240.0 |
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 |
| Microsoft | Windows Server 2008 R2 Service Pack 1 | 6.1.7601.0 |
| Microsoft | Windows Server 2008 R2 Service Pack 1 (Server Core installation) | 6.1.7601.0 |
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.6003.0 |
| Microsoft | Windows Server 2008 Service Pack 2 (Server Core installation) | 6.0.6003.0 |
| Microsoft | Windows Server 2012 | 6.2.9200.0 |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 |
| Microsoft | Windows Server 2016 | 10.0.14393.0 |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 |
Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection: