CVE-2026-68820High· 7.0▾ Abyssal⚠ Exploited in the wild0dayPoC availableUse after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
▾ Abyssal zone — Critical with a public exploit or in-the-wild use
impact 38.5 · likelihood 1.2 · exploitation 25
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 1 source. Availability, not in-the-wild use.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Sep 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Federal remediation due Aug 25, 2026
6.2%
Last analysed / modified upstream
4 GitHub repos (last check)
Added to the CISA catalog on Aug 11, 2026. Federal remediation due Aug 25, 2026. View catalog ↗
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
windows_10_version_1607 >= 10.0.14393.0 < 10.0.14393.9418windows_10_version_1809 >= 10.0.17763.0 < 10.0.17763.9121windows_10_version_21h2 >= 10.0.19044.0 < 10.0.19044.7663windows_10_version_22h2 >= 10.0.19045.0 < 10.0.19045.7663windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7517windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7517windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.9168windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.9168windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.2704windows_server_2012 >= 6.2.9200.0 < 6.2.9200.26280windows_server_2012_server_core_installation >= 6.2.9200.0 < 6.2.9200.26280windows_server_2012_r2 >= 6.3.9600.0 < 6.3.9600.23338windows_server_2012_r2_server_core_installation >= 6.3.9600.0 < 6.3.9600.23338windows_server_2016 >= 10.0.14393.0 < 10.0.14393.9418windows_server_2016_server_core_installation >= 10.0.14393.0 < 10.0.14393.9418windows_server_2019 >= 10.0.17763.0 < 10.0.17763.9121windows_server_2019_server_core_installation >= 10.0.17763.0 < 10.0.17763.9121windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5499windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33296windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.33296Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-50369High· 8.8Windows Remote Desktop Services Elevation of Privilege Vulnerability
CVE-2026-49798Critical· 9.3Windows Kernel Elevation of Privilege Vulnerability
CVE-2026-50296High· 7.0DirectX Graphics Kernel Elevation of Privilege Vulnerability
CVE-2026-50354High· 7.1Windows Kernel Elevation of Privilege Vulnerability
CVE-2026-50306High· 7.8Windows TCP/IP Elevation of Privilege Vulnerability
CVE-2026-50331High· 7.8Windows Application Model Core API Elevation of Privilege Vulnerability