CVE-2026-50343High· 7.8▾ MidnightPoC availableImproper privilege management in Microsoft Install Service allows an authorized attacker to elevate privileges locally.
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 42.9 · likelihood 0.1 · exploitation 12
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
0.3%
Last analysed / modified upstream
1 GitHub repo (last check)
Improper privilege management in Microsoft Install Service allows an authorized attacker to elevate privileges locally.
windows_10_version_1809 >= 10.0.17763.0 < 10.0.17763.9020windows_10_version_21h2 >= 10.0.19044.0 < 10.0.19044.7548windows_10_version_22h2 >= 10.0.19045.0 < 10.0.19045.7548windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.8875windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.8875windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.2525windows_server_2019 >= 10.0.17763.0 < 10.0.17763.9020windows_server_2019_server_core_installation >= 10.0.17763.0 < 10.0.17763.9020windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5386windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33158windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.33158Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-71331High· 8.1Windows Device Health Attestation (DHA) Remote Code Execution Vulnerability
CVE-2026-70577High· 7.0Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
CVE-2026-69790High· 7.8Heap-based buffer overflow in Windows Credential Providers allows an authorized attacker to elevate privileges locally.
CVE-2026-69791High· 7.0Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69801High· 7.8Heap-based buffer overflow in Windows Audio Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69757High· 7.1Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges over a network.