CVE-2026-20817High· 7.8▾ MidnightPoC availableImproper handling of insufficient permissions or privileges in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 42.9 · likelihood 1.1 · 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.
Exploit-prediction probability, daily snapshots since Jul 31.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
5.3%
3 GitHub repos
5.3% → 5.5%
Improper handling of insufficient permissions or privileges in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
windows_10_21h2 < 10.0.19044.6809windows_10_22h2 < 10.0.19045.6809windows_11_23h2 < 10.0.22631.6491windows_11_24h2 < 10.0.26100.7623windows_11_25h2 < 10.0.26200.7623windows_server_2022 < 10.0.20348.4648windows_server_2022_23h2 < 10.0.25398.2092windows_server_2025 < 10.0.26100.32230Upgrade past the affected range:
windows_10_21h2 10.0.19044.6809windows_10_22h2 10.0.19045.6809windows_11_23h2 10.0.22631.6491windows_11_24h2 10.0.26100.7623windows_11_25h2 10.0.26200.7623windows_server_2022 10.0.20348.4648windows_server_2022_23h2 10.0.25398.2092windows_server_2025 10.0.26100.32230Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-97812High· 7.0Double free in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally.
CVE-2026-97798High· 7.8Improper neutralization of argument delimiters in a command ('argument injection') in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
CVE-2026-96937High· 7.0Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
CVE-2026-96323High· 7.0Use after free in Windows Update allows an authorized attacker to elevate privileges locally.
CVE-2026-96319High· 7.0Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-96321Medium· 5.5Out-of-bounds read in Remote Desktop Display Driver allows an authorized attacker to disclose information locally.